On September 22, the label will release a box set containing a 31-track double LP, a 90-minute documentary on the history and importance of Youth Brigade and the BYO label, and a full-color, hardcover book containing photos and essays. The set will also be available as a CD/DVD package with booklet; the music will be sold at digital retailers as well.

BYO was formed in 1982 by Mark and Shawn Stern of the band Youth Brigade as an outgrowth of their legendary LA club Godzilla's. BYO's debut release, 'Someone Got Their Head Kicked In,' captured the energy coming out of the exploding SoCal punk scene and included early songs from Bad Religion, Social Distortion, SNFU and Adolescents. On the 'Let Them Know' release, punk icons such as Leatherface, Ch3, 7 Seconds, Subhumans, NoFX, Bouncing Souls, Dropkick Murphys, Pennywise, Anti-Flag and many others cover songs from the extensive BYO Records catalog. Each band appearing on the album chose their favorite song from the catalog; all were recorded for 'Let Them Know' over the past two years.

The full-length documentary in the 'Let Them Know' box set was directed by Jeff Alulis ('Do You Remember? 15 Years of the Bouncing Souls,' 'NOFX Backstage Passport'). It will premiere in Los Angeles 9/10 and will screen across the country, dates listed below.