Passage: Grey co-wrote "Done With Like" and "She Said", alongside Jon Ingoldsby and American actress Brie Larson, for Larson's first and only album, Finally Out of P.E. (2005). In 2005, Grey was featured on American hip hop group Fort Minor's songs, "Where'd You Go" and "Be Somebody". "Where'd You Go" was released as a single on April 14, 2006, with an accompanying music video following soon after. The song gained commercial success and ended up becoming a top four hit on the US Billboard Hot 100 chart and also became certified platinum by the Recording Industry Association of America (RIAA). After working with music producer Jonathan Ingoldsby, Grey released her debut album, titled Like Blood Like Honey, on June 6, 2006, under Warner Bros. Records. The album peaked at number 35 on Billboard's Heatseekers Albums chart. During this time, Grey had landed opening spots for concert tours with Jamie Cullum, k.d. lang, Daniel Powter, Teddy Geiger and Duncan Sheik.Through her connections from Machine Shop Records, Grey became closely affiliated with Linkin Park affiliates Styles of Beyond and Apathy. She was even featured on two tracks titled "Victim" and "No Sad Tomorrow", from Apathy's second studio album, Wanna Snuggle? (2009). Grey toured as part of Duncan Sheik's band and contributed substantially to his 2009 album, Whisper House. In 2009, Grey appeared as a backing vocalist on Eurovision contestant Yohanna's debut album, Butterflies and Elvis. In August 2009, still under the name Holly Brook, she lent both her song "It's Raining Again" and her image to a promotional campaign for Ciao Water. In early 2010, she performed in the theatrical version of "Whisper House," playing one of the two lead ghost vocalists, along with David Poe. On June 10, 2010, she self-released the seven-song extended play (EP), O’Dark:Thirty. Production of the EP was handled by Duncan Sheik and Jon Ingoldsby.

Question: On what date did she release O'Dark:Thirty?
June 10, 2010,