SA Martinez joins and Hydroponic demo

In 1992, Doug “SA” Martinez, whose nickname stands for Spooky Apparition and who had been making various appearances with 311 over the past years as a vocalist, was officially asked to join the band. 311 recorded a six-track demo, called Hydroponic , also recorded at Rainbow Recording Studios, and moved to Los Angeles. Within their first few months, 311 was signed to Capricorn Records .