Jessie J – Who’s Laughing Now
Karaoke with synced lyrics and pitch scoring · English
Sing Who’s Laughing Now by Jessie J 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 0:06 and runs for 3:51. It stays inside 12 semitones and moves at 4 syllables a second.
At a glance
- Difficulty
- Hard
- Vocal range
- 12 semitones
- Pace
- 4 syllables a second, fast
- Melody
- steps of 1.4 semitones on average, gentle
- Length
- 3:51 of singing, starting at 0:06
- Golden notes
- 62
- Backing track
- separate instrumental and vocal tracks, so you can mute the original singer
How it starts
Bum, b-b-b-b-bum, bum
B-b-b-b-bum, bum
More karaoke songs by Jessie J
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.