Use GarageBand or Audacity to digitize analog music for backup and playing on devices. Record your music in the digital audio workstation and edit your audio as individual tracks. Export your ...

However, you can still use autotune (not to be confused with the Auto-Tune brand) in Audacity by downloading a free plug-in called GSnap.

I use Audacity 2.2.2 provided through the distro (Devuan Beowulf), which only allows me to select the (SoundBlaster) interface via ALSA.