Question: When was the album "Siberia Acoustic" released?
About the article "Lights (musician)", section "2010–present: "Acoustic" EP, "Siberia", "Siberia Acoustic", and "Tour"".

Candidate passages:
Siberia Acoustic is the second acoustic album by Canadian singer Lights.
It was released on April 30, 2013 and includes all of her songs from her second album "Siberia" that were recorded in acoustic versions.
The lead single from the album was "Cactus in the Valley" featuring Owl City and was released on March 15, 2013. 
An acoustic version of the album was released on December 5, 2011, titled "Acoustic".
"Come On Say It" and "Love Song" were omitted from the tracklist. 
An acoustic EP, named "2 (Acoustic EP)" was released shortly after the release of the album.
It contains new, acoustic arrangements of six of the songs from the album:  Falling For Your Love (Acoustic Version)   Waterfall (Acoustic Version)  Postcard From Hell (Acoustic Version)   I Got a Feeling (Acoustic Version)  Craving (Acoustic Version)  Lady of the Lanterns (Acoustic Version)  
Garcia/Grisman an acoustic album by Jerry Garcia and David Grisman.
It was the second album released under Grisman's record label, Acoustic Disc. 
She toured from January–May 2010 with contemporary synthpop artist Owl City in Canada, USA, and Europe.
Lights is featured on Owl City's song "The Yacht Club" on his album "All Things Bright and Beautiful" which was released on June 14, 2011, as well as appearing in the music video for another one of Owl City's songs "Deer in the Headlights."
Plans for future duets are in the works.
She was also in the summer 2010 Lilith Fair official lineup.
She went on a two week solo UK tour in May 2010 being supported by fellow Canadian artist Rich Aucoin for most of her shows.
Additionally, Lights was a special guest for pop-rock band Hedley's The Show Must Go... On The Road Tour, as well as These Kids Wear Crowns.
Lights released an acoustic EP titled "Acoustic" in July 2010.
Her debut for the album was at the University of Waterloo, where she had received most of her inspiration for the album.
That same month, she began her six-date tour around the US, performing her songs acoustically.
In September, she toured with Hedley for eight dates on the Ontario leg of their Canadian tour.
In October 2010, Bring Me The Horizon's album "There Is a Hell, Believe Me I've Seen It.
There Is a Heaven, Let's Keep It a Secret" featured Lights as a guest vocalist on the songs "Crucify Me" and "Don't Go."
She is also featured on The Secret Handshake's song "Used to be Sweet" from their album "Night and Day".
In October 2010, Lights released "My Boots."
She also left on her headlining tour with Jeremy Fisher.
On June 18, 2011 at the Utopia Music Festival, Lights performed three new songs called "Toes," "Where the Fence is Low," and "Everybody Breaks a Glass.
"The single "Toes" was released on August 16, 2011 as the first single to Lights' second studio album, "Siberia".
After signing with Last Gang Records her album was delayed due to criticism from the label executives.
Though reluctant to tell full details of delays, the shift in style to a more gritty sound was a risk worried about by Last Gang Records.
The full-length album was released online in the US and Canada on October 4, 2011 and went on iTunes stores in Australia on October 28.
Siberia received positive reviews from many critics and was nominated for a Juno Award for Best Pop Album of the Year.
Lights says her favorite song on "Siberia" is "Flux and Flow.
"In July 2012, Lights's husband revealed that she was working on an acoustic version of "Siberia".
She seconded this by posting a photo on Twitter shortly after with a piano and acoustic guitars with the caption, "My station today.
Kind of intimidating..."On March 15, 2013, Lights released an acoustic version of "Cactus in the Valley" featuring Owl City as a single in the UK.
The album, "Siberia Acoustic", was released on April 30, 2013, and reached Number 7 in Canada.
She toured select dates around North America in support of the album, with Dear Rouge opening select dates and Lianne La Havas opening other select dates.