Good for one Rock Band, Karaoke, DJ, or Rock City Party (Up to 12 Guests) at the Encinitas Bach to Rock Location. Expires May 1, 2024. Our birthday parties for kids include a range of games and activities, so partygoers can see how music is made up-close! Kids birthday parties at Bach to Rock® include the use of a private party room, along with a dedicated Early Childhood Specialist. At the end of this 90-minute party, each child receives a Bach to Rock Party Pack filled with goodies!