Mascis released a mostly acoustic album in March 2011 titled "Several Shades of Why" on Sub Pop Records. He was joined in the studio by several guest musicians, including Kurt Vile, Ben Bridwell and Sophie Trudeau. Mascis toured North America with Vile as support act to promote the album. In 2013 Richard Ayoade cast J Mascis in a small role, a caretaker, in his film The Double. Mascis's electric guitar work is featured on the 2014 Strand of Oaks album "Heal".