Jesse HugheyDevo at Austin Music Hall Friday night. Act: Beach HouseWhere: Cedar Street CourtyardWhat It Was Like: Packed. There were obviously quite a few fans of Beach House's mellow, cheery songs. Also, judging by all the "Who are these guys?" I heard, many badge-holders were taking advantage of a relatively quiet set to talk, text or chill out. Which pretty much defines Beach House for me: they're good background music.Verdict: Good buzzy, cheery songs. I especially like the electric harpsic