I put radio 1/ heart/capital on as they are usually upbeat and often have a 'revision hour'. If I have my phone it's usually something like the Arctic Monkeys, Snow patrol, Katy Perry, Florence and the Machines, Coldplay, Adele
LOL I'm so strange but I shall input my suggestion in case if it helps anyone... I like to listen to rain... go onto youtube and type in 'rain sounds' or something similar. Idk, but I find the sound of rain really soothing and relaxing, which helps me concentrate, as actual 'music' always end up distracting me too much
Actual songs with lyrics keep on getting in my head, and as a musician myself- (diploma/post grade 8 on two instruments), I generally recognize most classical pieces as I've probably played them before xD