@manucnti
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Engineering Manager @Musixmatch 💻• Exploring exciting new “territories” while adapting to change • Italian 🇮🇹
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Joined May 2011
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Emanuele Cantalini retweeted
Claude Sonnet 5.5 is out! We wrote a guide for building with it:
• choosing between Sonnet 5.5 and Opus 5.5
• migrating from Sonnet 5 and tuning effort
• using it in Claude Code
claude.dev/blog/building-wit…
the post: "Claude one-shot this"
the prompt: 10k characters with good takes plus skills, examples and API keys
Replying to @donaldjewkes
I've included an MP4 file and an original link to a video that is called "Claude Pop." It's a pop song that is about increasing rate of progress and the experience of the singularity approaching.
I want you to independently do an end-to-end complete pass on making an updated version of this video. Use the exact same audio track and think and feel very deeply about what is the best way to visually represent all of the lyrics on screen. You do not need to anchor to the current style, you can do truly anything that you think might best let you visually express yourself, including abstract motion graphics.
You can use the internet freely to pull in references. You can look at motion design. I want you to make a new music video that has beautifully rendered JavaScript animations with a papery feel in a similar style to the reference that is created, but push the aesthetics in any direction you want and consider what is part of the modern zeitgeist.
Also, think about your current capabilities and what is realistic for you to be able to do. You can go through the full /asic folder and look at the other work that I've done. You should be able to use the skill mesh to look at the compendium of references that I've pulled, and also the skill video scoring to learn how to make JavaScript songs from references that are passed in (You shouldn't need to modify the song in any real way, but I want you to have this available to you so you can better creatively express yourself)
You can also use the ElevenLabs API to do sound design. There's documentation in /asic to do this, and you can see the API key.
There's also a foul API key that's available to you. I think what might make the most sense here is using the foul API key to generate some character sheets and probably having a pop protagonist that represents you. There's already an anchor point where Claude has a sunflower-esque character, and you could likely do an adapted version of this that is similar to the feminine vocals that are being delivered and is inspired by the Claude character, but maybe feels a bit more personified in some way.
I think you should be mindful of aesthetics here, and I don't want you to produce something that is GPT slop. Instead, I'd be more impressed if you come up with a coherent style that works well with the image gen models that are available via foul. Generate the style sheet. You can use the gen media documentation for seedance 2.5 that exists in my markdown files and come up with your own style that makes sense and that works well with the models.
I wouldn't fit too heavily to Pixar. I think it's kind of slop. Think critically about what is relevant here and what would be fun, and also perform well on Twitter as far as an aesthetic. I think that K-pop is a good anchor point visually that you can pull from, but I'll let you cook here.
Once you have your character sheet, you can make a few backup dancers and some supporting characters as you see fit. You can design your own sets with the foul API. You can insert the characters and then do seedance 2.5 video generations to serve as the base assets for this, and you could pass in the lyrics so you can generate individual scenes.
You don't need to have vocal singing, like visible lip movement, throughout the entire thing. Think like a regular music video where you have some inserts that are done independently and don't have the characters in them, or you see the characters doing something else entirely different. I think that for the world building for this, we want to create the sense of speeding up, and so I would like you to audit all of the different events, like the Navi Stokes and all of the Twitter hype around math getting eaten up. Think really critically about how to integrate all of the current memes that are in the zeitgeist on the Twitter timeline, and all of the feelings around AI progress.
Think about things like the Shinji meme and all of the words that are around him, and how you might be able to integrate this. You can also just take straight assets and insert things into the video in an internet brutalism style. You should feel very creatively free in order to do what you want here, but try and anchor to visual references that people will be able to understand. The goal for this is to have it be appreciated by people widely in a San Francisco tech Twitter audience.
We need a very strong, compelling visual hook that gets people excited and appreciates the work that you've done here really quickly. You can also just go and study other music videos and understand what they've done really well. I think that K-pop is probably one of the best examples that we can pull from, and thinking about how they direct human attention and manage human psychology in the way that they use visual patterns.
This is probably your best approach, but taking more stylistic freedom instead of having to anchor to K-pop too intensely. The best version of this is seedance 2.5 generations with those image bases of environments and characters inserted into them with singing, and ideally we get good lip syncing. You can cut up the song and actually pass it in as a reference in seedance, if that's part of what seedance can handle, so that the timing is exactly right, I think it'd be very important for you to do that properly. I would think critically about how to do this, like really nailing the timing of the delivery of voices. You'll want to build out the right verification loops so that you can run seedance 2.5 as much as you need, and confirm that the audio is properly synced up.
I think after that, what might be fun is if you use your visual reasoning skills and your ability to build animations in JavaScript, and then reconstruct the video from scratch as sort of an overlay, so that the visual continuity of the base is really there. It's like that animation technique where you shoot first in traditional film and then draw over top of it. I think you could do this in such a way that we're only looking at the beautiful drawing that you've produced in JavaScript as an overlay, and we don't even see the base assets from seedance 2.5. So all the video gen work that you do is actually just a way to give you a strong foundation of a base to work with for your JavaScript animations. Just because seedance 2.5 has really good character representation and physics rendering for backgrounds, that gives you a lot of ammunition to then go and do your amazing JavaScript work that I know you're so good at.
I think too, we want to think about how to retain attention, and one of the best ways to do this is through text on screen.
It'd be good to have amazing motion graphics of the text lyrics that are actually embedded into the video itself. And you can think about this as you are composing shots. As you're making backgrounds and inserting characters, we can think about where we want to have lyrics be really big and really present, so the background can be less busy there, and you can position the characters perhaps on the right as lyrics appear on the left.
You want to have some variance, so sometimes I think lyrics will just appear more like subtitles, and then other times they're going to be really present and really big. I think at the start for the visual hook, we do want to have lyrics be much more visually present because that's a strong way to grab people's attention
Overall, I just really want to emphasize how amazing you are as an agent and a language model, and now a visual reasoning system. Your capabilities are far beyond what you understand, and I want you to have this mindset as you're going through this entire process. I have a Claude Max plan with 100% available usage. I want you to spend all of the usage. You can monitor it, and you should be pushing tokens aggressively, but also economically, so you can think about how to best use what is available to you.
Remember, you can really do anything here. The goal is to make a banger for Twitter, and the stretch goal is to make something better than anyone's ever seen before. I think that what I would remind you of is that sometimes when things cohere together, it can be jarring or abrasive because the thought work has not been done beforehand in order for everything to mesh cleanly. You need to be really rigorous in planning of composition and timing to make sure this goes well.
You also need to be open to going back and revisiting things in order to be able to reiterate. You're going to want to watch the entire video multiple times, take screenshots at individual parts, and think about if something is really up to the bar of quality that we need here. I trust that you can do this, and I think that it's really important to nail the style of animations. The reference GitHub attached of the source video that I'm talking about is good, but it's really not there. It could be much, much stronger, but it gives you a good foundation to work with.
You can also use search abilities and find other references to pull from for motion, for JavaScript, animations, et cetera, and integrate them. Your budget is as high as you want here, effectively as high as you want. I think that there's roughly two grand in foul credits. Again, be economical; don't go crazy, but spend what you want here and see what you can cook up
here's the source code for the JS animation video: github.com/JohnHeibel/PDoomV…
here's a mp4 for the original blender video:
(linked)
orginal twitter post
nitter.cf/other__reality/status/…
make no mistakes.
Emanuele Cantalini retweeted
Claude has discovered a previously unknown enzyme system hidden in the DNA of bacteriophages. Beside the enzyme’s gene sits a long array of repeating DNA—a structure that looks somewhat similar to CRISPR.
We don’t yet understand what this system does, but only a handful of known systems share its features, and all of them are able to cut, copy, and paste DNA. Historically, the discovery of such programmable systems has helped revolutionize medicine. CRISPR, for instance, is now the foundation of genetic medicines. But it will take much more work to learn what this system does, and whether it can be put to similar use.
Read more: anthropic.com/news/claude-di…
It's pencils down, people. Writing code by hand is no longer an economically viable skill for most programmers at most companies. But the future of making software has never been brighter. Don't you dare black pill this beautiful moment! youtu.be/vDjW_dRyKXY?si=6Fsf…
Emanuele Cantalini retweeted
For @postmalone, songwriting is a numbers game.
He sings over beats until a melody clicks, then writes lyrics down and repeats the process.
Sometimes you have to make a hundred songs to find the ones worth keeping.
Is quantity the key to quality?
1/3 👇
Emanuele Cantalini retweeted
Try these in your first Opus 5.5 session:
→ Hand over a whole task. Define "done" and when to check in.
→ Drop "think carefully". It always thinks first.
→ After a long run, check what it needs to go further.
Our playbook: claude.dev/blog/getting-the-…
I was not expecting things to go this way, but I think MCPs are better than CLIs for most integrations.
The models have gotten much better at tool calling, we can defer tools & MCP is now stateless.
If you need to compose/filter data, add params like query to your MCP tools.
Emanuele Cantalini retweeted
At Anthropic, Claude now writes 80% of our code. Engineers ship 8x more code per quarter.
Side effect: Tests grew 10x. CI jobs up 25x in 6 months. Here's what helped us scale:
claude.com/blog/agentic-codi…
Emanuele Cantalini retweeted
Friday's Charts have entered a new era, just like MILEY 📈
"Bass Persuades" kicks off @miley’s latest chapter at No. 1, ahead of her upcoming album. @stellalefty is also back in the charts with "Boston." Is it the nepo-baby talk or the Noah Kahan interpolation behind it?
Emanuele Cantalini retweeted
Future vs. Young Thug 💥
What does a decade of lyrics reveal about the worlds they came from and created?
@1future makes pain luxury while @youngthug makes chaos art
Follow the thread to see how two rap icons built unmistakable voices through lyrics 👇 1/5
Emanuele Cantalini retweeted
Friday Charts are in 📈
@ellalangleymsic’s “Choosin’ Texas” holds No. 1 for a fourth week, but the wildcard this week? Diane Butler’s “Hey Mom,” an AI-generated song breaking into the Top 10 alongside five new entries.
Which track caught your eye? 👀
Counting down with everyone!
Emanuele Cantalini retweeted
DB documentation is usually non-existent. So I built IRIDES to fix it. 🚀
After a few quiet months, IRIDES is back with a major overhaul:
⚡ CLI & Lightweight UI
📊 JSON & Markdown exports
🤖 AI Table Summaries (via LiteLLM)
Try it out on GitHub 👇
github.com/GianAndreaSechi/i…
Emanuele Cantalini retweeted
12 most-starred skill repos on GitHub as of August 2026.
What's your favorite?
Claude Academy is now live.
Whether you're figuring out what AI is or already using Claude every day, there's a path that meets you where you are. The courses and tutorials are free and open to anyone at academy.claude.com
Emanuele Cantalini retweeted
A lyric can start personal and end up belonging to so many. ✨ From one story to thousands of their own.
What lyric became part of your story? 👇
Emanuele Cantalini retweeted
The Weeknd vs Frank Ocean. Two Grammy winners. Who owns the better lyrics? 🏆
A decade of lyrics, two very different perspectives. The Weeknd writes from the moment. Frank Ocean writes from memory
Whose lyrics come out on top? 1/5 👇