Kind of like a rock band, in the most accessible way possible. The bands that moms generally like waaaaay more than their kids do (e.g. Staind, Creed, Nickelback, etc).
Alex: Hey how's it going m8?
Jim: I'm fabulous, how are you?
Alex: Doing pretty well, hey did you check out that band i told you about last week?
Jim: Yeah, they're kind of a mom band imho.