What anime series has the most best music?
Fairy Tail, Fate/Zero, Welcome to the NHK
I hope you are not being serious.
Champloo, Space Dandy, Tonari no Seki-kun. Also JoJo.
You mean the most songs on its OST that are good? Or are you just saying something like the most bestester?
Panty & Stocking, your welcome
Showing power level by playing youkoso hitori bocchi
Kaiji has some good stuff
No joke, Nichijou.
Horizon obviously, nothing beats it as far as music goes.
sora no woto, bakemonogatari
Ergo Proxy(despite the show being shat)
Non non biyori, Nichijou, Ano natsu de matteru, Durarara!!, Spice and Wolf, Bakemonogatari