A rock concert and craft show to benefit American Youth Hostels--dubbed “Hostelpalooza"-- features Stone 588, Sass-O-Frass Tunic, Shovel, Jose & Chelsea, Not Now I’m Naked, Big Violin and others. Saturday, Oct. 2, from noon to dusk at the Winged Heart Cafe, 136. W. Wilshire Ave., Fullerton. Cost is $5, open to all ages. (714) 525-1452.