Are there any free music / audio enhancers that I can download?

Question

For the purposes of adding or taking away
bass from a track

Or speeding up / slowing down a track.

Or even creating an instrumental. Something which allows me to edit out the spoken lyrics/voices.

Answer 1

Audacity - https://www.audacityteam.org/

If you want something more complex then Tracktion T7 DAW - https://www.tracktion.com/products/t7-da...

Answer 2

I USE PANDORA AND SPOTIFY