One Colorado offers live music on Thursdays and Saturdays in August, starting with deejays at 6:30 p.m., followed by the music at 7 p.m. Thursday’s music is by versatile singer and songwriter Joel Simpson. Free.
The Pasadena Public Library Central Branch, 285 E. Walnut St., Pasadena, presents Science Fiction Classics, featuring the films “The Lost World” (1925) and “The Valley of Gwangi” (1969) at 2 p.m. Saturday. Free. Call (626) 744-4066 or visit pasadenapubliclibrary.net.
The Rotary Club of Altadena’s free summer concert series features Heart tribute Dog ‘n Butterfly at 7 p.m. Saturday at Farnsworth Park, 568 E. Mount Curve Ave., Altadena. Call (626) 798-6335 or visit altadenarotary.com.
The Los Angeles College of Music partners with the city of Pasadena to present Summer Vibe, a series of free concerts from 6 to 9 p.m. Saturdays through Aug. 31 in the Memorial Park band shell, 85 E. Holly St., Pasadena. Saturday’s concert, “Women in Rock and Blues,” features Trends, Adjenai and Kira Alexi. Visit cityofpasadena.net.