I got a new pair of Starkey HAs recently that have a separate processor for music. The music mode turns off compression completely. Even in normal mode, it appears to me that the music processor is being used, because music sounds so much better. I recently had a pair of Altec speakers that I've owned since the early 70s rebuilt, and was listening to Pandora via Chromecast Audio. The song Spill the Wine by War came on, and I could actually hear the strings of the bass guitar vibrate. Before I had these new HAs, bass guitar just sounded like vague, low notes in the background. I was amazed and overjoyed.