Green’s Dictionary of Slang

tunes n.

(US campus) music.

[US] ‘Bop Dict.’ Mad mag. Oct. 20: Bop records – Tunes.
[US]Eble Campus Sl. Spring 9: tunes – music.
[US]M. Myers et al. Wayne’s World II [film script] Let’s put on some tunes.
[UK]G. Malkani Londonstani (2007) 22: We’s be havin a nice car, nice tunes, nuff nice designer gear.
[Scot]G. Armstrong Young Team 78: The tunes is bangin.