Less than two months after the release of “In It to Win It,” multiplatinum rock band Saliva drops in with lead singer and Jacksonville native Bobby Amaru. A former member of Burn Season, Amaru joined Saliva in 2012 after the departure of Josey Scott, who left to pursue a solo career. Planet Radio presents the free Halloween Bash with support from Crashmir. 7 p.m. Oct. 26, Brewster’s Roc Bar, 845 University Blvd. N., Arlington, free general admission with paid sections $6-$40, 223-9850, brewstersmegaplex.com.