Pentatonix & Lindsey Stirling – Radioactive
Karaoke with synced lyrics and pitch scoring · English
Sing Radioactive by Pentatonix & Lindsey Stirling on singpro.app, a free online karaoke app. Lyrics are highlighted syllable by syllable as the song plays, your pitch is scored in real time, and you can host a party so friends join from their phones and sing along.
The singing starts at 0:33 and runs for 3:11. It stays inside 12 semitones and moves at 2.52 syllables a second.
At a glance
- Difficulty
- Medium
- Vocal range
- 12 semitones
- Pace
- 2.52 syllables a second, steady
- Melody
- steps of 1.9 semitones on average, leaping
- Length
- 3:11 of singing, starting at 0:33
- Golden notes
- 17
- Backing track
- separate instrumental and vocal tracks, so you can mute the original singer
How it starts
I’m waking up to ash and dust
I wipe my brow and I sweat my rust
More karaoke songs by Pentatonix & Lindsey Stirling
More English karaoke songs
How it works
- Open the song and allow microphone access – no download or sign-up needed.
- Sing along to the synced lyrics while the app scores your pitch live.
- Share the party code so friends can join and compete from their own devices.