Blob Opera FAQ: Frequently Asked Questions

Yes, Blob Opera is completely free to play. There are no hidden costs, subscriptions, or in-app purchases. You can access the full experience directly in your web browser without paying anything.

No download required! Blob Opera runs entirely in your web browser. Simply visit blobopera.net and start playing immediately. You can optionally add the website to your home screen for quick access on mobile devices.

Blob Opera was created by David Li in collaboration with Google Arts & Culture. It uses machine learning technology trained on real opera singers to generate the vocal harmonies you hear when you play.

Not at all! Blob Opera is designed for everyone, regardless of musical background. The AI helps harmonize the blobs automatically, so even complete beginners can create beautiful-sounding music within seconds.

Yes! Blob Opera works on iPhone, iPad, Android phones, and Android tablets. For the best mobile experience, we recommend:

• Using landscape orientation
• Using a modern browser like Safari (iOS) or Chrome (Android)
• Ensuring your device's operating system is up to date

Learn more about playing Blob Opera on mobile →

Blob Opera works best on modern browsers including:

• Google Chrome (recommended)
• Safari (recommended for iOS/Mac)
• Firefox
• Microsoft Edge
• Opera

Make sure your browser is updated to the latest version for the best experience.

Yes, Blob Opera works perfectly on Chromebooks. Simply open Chrome browser and visit blobopera.net. Chromebooks with touchscreens provide an especially intuitive experience.

If Blob Opera isn't loading or working properly, try these solutions:

1. Check your internet connection - Blob Opera requires an active internet connection
2. Refresh the page - Press F5 (Windows) or Cmd+R (Mac)
3. Clear your browser cache - Old cached files might be causing issues
4. Update your browser - Make sure you're using the latest version
5. Try a different browser - If one browser doesn't work, try another
6. Disable browser extensions - Ad blockers or privacy extensions might interfere
7. Check firewall/antivirus - Ensure they're not blocking the game

If there's no sound coming from Blob Opera:

• Check device volume - Make sure it's turned up
• Unmute your tab/browser - Look for a speaker icon in the browser tab
• Check browser audio permissions - Make sure the site is allowed to play sound
• Verify audio output - Ensure headphones/speakers are properly connected
• Check system sound settings - Make sure your device isn't muted
• Try headphones - Rule out speaker hardware issues
• Restart your browser - Sometimes audio gets stuck

To improve performance:

• Close other browser tabs and applications
• Disable battery saver/low power mode on mobile
• Try using fullscreen mode
• Restart your device
• Use a wired internet connection instead of Wi-Fi if possible
• Ensure your device meets minimum system requirements

If the controls aren't responding:

• Make sure the game has fully loaded (wait for all blobs to appear)
• Try clicking/tapping directly on a blob
• On mobile, use landscape orientation for better control
• Refresh the page and try again
• Disable any accessibility features that might interfere with touch/mouse input

To record your performance:

1. Look for the record button within the Blob Opera interface (usually a red circle)
2. Click/tap the record button to start recording
3. Perform your composition
4. Click/tap the button again to stop recording
5. Use the playback controls to listen to your recording
6. Click the share button to generate a shareable link

Yes! After recording a performance, you can generate a shareable link that others can use to listen to your composition. The link will play back exactly what you recorded.

There are four blobs, each representing a different vocal range:

• Red Blob: Soprano (highest female voice)
• Yellow Blob: Alto (lower female voice)
• Blue Blob: Tenor (higher male voice)
• Green Blob: Bass (lowest male voice)

Learn more about controlling the blobs →

When you drag a blob:

• Up/Down: Controls pitch (higher/lower notes)
• Left/Right: Changes vowel sounds (from "ah" to "oh" to "ee")

Both axes work together to create expressive, varied performances.

Absolutely! Blob Opera is an excellent educational tool for teaching music concepts including:

• Harmony and chord structures
• Pitch and intervals
• Vocal ranges (soprano, alto, tenor, bass)
• Vowel sounds and phonetics
• Musical composition basics

Visit our classroom resources page for lesson plans and activities →

Yes, Blob Opera is suitable for all ages, from young children to adults. It's intuitive enough for kids to enjoy immediately while offering enough depth for serious music study.

This website uses standard analytics to improve performance and design. We don't collect personally identifiable information. The game itself loads from its official host. For maximum privacy, you can use your browser's private/incognito mode - Blob Opera will still work perfectly.

Yes, Blob Opera is completely safe for children. There's no chat feature, no user-generated content visible to others, and no advertising. It's a purely creative, educational experience.