- Maryland-born avant pop group Animal Collective has announced a summer tour that will bring the group back to Merriweather Post Pavilion on Oct. 2. It will be the band’s second gig at Merriweather, the venue it named its breakout 2009 album after. That first show was pretty great. So was the album. Want to read just about every keystroke The Post has ever written about the band? Here you go.

Avey Tare, Geologist and Panda Bear of Animal Collective perform at Merriweather Post Pavilion in July 2011. (Kyle Gustafson/For The Washington Post)

Tickets for the Oct. 2 concert go on sale on Friday at 10 a.m. through Ticketfly. Subscribers to I.M.P.’s e-mail blasts can buy pre-sale tickets on Thursday between noon and 10 p.m.

- Resurgent neo-soul mysterio D’Angelo dropped in for a surprise performance at the Bonnaroo music festival over the weekend — and Spin has a stream of the entire performance here.

View Photo Gallery: The laid-back Bonnaroo music festival took place June 7-10 in Manchester, Tenn.

- In today’s Post, we’ve got album reviews aplenty. I give Waka Flocka Flame’s rowdy sophomore album four-and-a-half BOWs, Sarah Godfrey thinks Usher’s latest is his best since 2004’s “Confessions,” Timothy Bracy finds Grace Potter’s new album to be a bit schizophrenic and Allison Stewart says the latest from Josh Turner is anything but.

- And in case you missed it, the week’s pop music coverage:

- Bobby Womack, Damon Albarn, Congos, Sun Araw and the changing shape of trans-generational collabos.

- One nation’s wedding jams are another’s musical vanguard. A review of Omar Souleyman at 9:30 Club.

- Juilliard-trained pianist ­Simone Dinnerstein and folkie Tift Merritt transcended prissy tedium at Strathmore.