I use Apple Music

spotify :]

YouTube, when not, Modarchive or straight up my HDD.

spotify

spotify :P

bandcamp, because I like supporting artists.

if I listen to something multiple times I download it on my phone, and play it using the mucke music player.

apple music cus no ads!!

egg choir

Spotify, all my playlists are on there (And since this is music related, an extra answer is my currently playing song, which is Blue Hair by TV Girl)