Blob Opera is a music experiment from Google Arts & Culture that lets you create opera without knowing anything about singing. You control four colourful blobs, each representing a different voice type, and drag them around to make them sing. It’s ridiculously fun and sounds way better than it has any right to.
The game was developed by David Li and uses machine learning trained on real opera singers. Tenor Christian Joel, bass Frederick Tong, mezzo-soprano Joanna Gamble, and soprano Olivia Doutney recorded 16 hours of vocals to teach the AI how opera sounds. You’re not hearing their actual voices when you play — you’re hearing what the machine learned from them.
What makes Blob Opera work is how the blobs harmonise automatically. When you move one blob, the others respond and adjust in real time. This means even random dragging ends up sounding surprisingly musical. You don’t need to understand pitch or harmony. The AI handles that part while you just mess around.
The controls are dead simple. Drag a blob up or down to change pitch. Drag it forward or backward to change the vowel sound. That’s it. Within seconds you’re conducting a full operatic performance with zero training. It’s the kind of thing you open for five minutes and end up playing for an hour.
Blob Opera also lets you record your creations and share them. There’s a festive mode with Christmas songs, and you can even pick different performance locations as backdrops. It’s playful, creative, and oddly relaxing once you get into it.
How To Play Blob Opera
Playing Blob Opera takes no setup or instructions. When you open the page, you’ll see four blobs sitting together — bass, tenor, mezzo-soprano, and soprano. Each one has a different colour and voice range.
Click and drag any blob up or down to change its pitch. Higher means a higher note, lower means a deeper one. Drag the blob forward or backward to shift between vowel sounds like “ah,” “oh,” and “oo.” The other blobs automatically harmonise with whatever you’re doing, so everything blends together naturally.
You can move multiple blobs at once or focus on one at a time. There’s no wrong way to play. Experiment with different combinations and see what sounds you can create. Some people recreate famous songs, others just improvise and see what happens.
If you want to save your performance, hit the record button on screen. Once you’re done, you can download or share the video. There’s also a toggle for festive mode if you want the blobs wearing Santa hats and singing Christmas classics.
Blob Opera is free, works in any browser, and requires zero musical skill. It’s pure creative fun powered by some genuinely impressive AI.