Samsung Music + Solar Pack

92 icons from Samsung Music, ported from the app itself
61 icons from Solar Pack by Fer10

Samsung icons cover 320 keys: 144 match the key's concept exactly and 176 use the closest available concept.
Solar icons cover 71 keys: 54 use Solar's own icon for that key and 17 borrow the icon of a related key.
In total, 153 icons cover 391 of 399 keys.