Mike Cross of the ’90s alt-rock band Sponge has died at 57 years old. No cause of death has been confirmed, but Sponge and his label, Golden Robot Records, confirmed that he died on Sunday in a post written on Wednesday. In 1992, Cross joined the Detriot-based band as a guitarist and backing vocalist. He contributed to their most popular songs like “Plowed,” “Molly (16 Candles Down the Drain),” and “Have You Seen Mary.” Sponge’s 1998 New Pop Sunday was the third and final record that Cross and his brother, bassist Tim Cross, made with the band before leaving in 2000. Cross played in the band Loudhouse before his time with Sponge. Most recently, Cross formed the band MC Roads, who released their No Nostalgia EP last September via Golden Robot Records. Golden Robot p...