Mustard Announces Release Date and Artwork For Next Album “Perfect Ten” Mustard Announces Release Date and Artwork For Next Album “Perfect Ten.” It’s set to release on June 28 of this year. Check out the official post below: View this post on Instagram PERFECT TEN …. JUNE 28th ……. @10SUMMERS ….. A post shared by Mustard (@mustard) on May 20, 2019 at 5:04pm PDT