What member of the Acoustic Warriors is from the fourth-most populous city in California?
The Acoustic Warriors: The Acoustic Warriors was a band formed by San Francisco rhythm guitarist Dan Hicks in the early 1990s, to replace his reunited 1968-1973 offbeat psychedelic Bay Area group Dan Hicks & the Hot Licks (which never used electric instruments, and rarely drums). San Francisco:  It is the fourth-most populous city in California, and the 13th-most populous in the United States, with a 2016 census-estimated population of 870,887.
Dan Hicks