Ezra will often play with a capo at the 2nd fret. But if he’s playing live and finds a song too high to sing comfortably, he can move the capo down to the 1st fret or remove it all together, allowing ...

The pitch of the song can also be altered to suit the key of the instrument you’re using. And, both the pitch and speed can be exported with the song, keeping the alterations in tact.

Being able to determine a song’s key is a crucial skill for DJs and producers who want to create remixes and use melodic samples. Fortunately, whether you want to use your ears or a tech-based ...