Complex sentence: Quicksilver Messenger Service gained wide popularity in the Bay Area and, through their recordings, with psychedelic rock enthusiasts around the globe and several of their albums ranked in the Top 30 of the Billboard Pop charts.
Split into simpler sentences: Quicksilver Messenger Service gained wide popularity in the Bay Area and with psychedelic rock enthusiasts around the globe. Many of their albums ranked in the top 30 of the Billboard Pop charts.