As in they have very very little to no bad songs or songs you'll skip. They don't need to necessarily have the most amazing songs ever but you can pick any random song from any random album and it'll be good. You can tell each song has a lot care put into it and nothing feels like filler or falls flat
For me, Cage the Elephant. I can't even think of a single song of theirs I'd call bad or feel the need to skip Everyone who I show them loves them. I've been listening to them since middle school and not a single one of their songs have gotten old for me yet
If I tried to post every song I want to show people, I'd end up posting their entire albums so I'll just drop the one I'm currently listening to for simplicity. I recommend you guys check out their albums though (Thank You, Happy Birthday and Social Cues are tied for first place for me). They have pretty diverse music too so I think there's something there for everyone. This one is probably one of their chillest tracks but a lot of their music goes crazy, highly recommended
Which currently active bands you do guys think have the most solid discography?