One of the oldest orchestras of its kind in California, the Santa Rosa Symphony Youth Orchestra is made up of advanced musicians, ages 11 to 23, who perform classical orchestral repertoires around the globe. This summer, the youth orchestra is planning a trip to perform in Europe, and to raise funds for this prestigious tour, the youth orchestra is, of course, hosting a rock and roll concert. Rock the Future features Sebastopol-based funk and soul band Frobeck, Petaluma’s favorite indie-folk foursome Trebuchet and beer from Bear Republic on Saturday, Feb. 3, at the Phoenix Theater, 201 Washington St., Petaluma. 8pm. $10 (21 and over only). 707.762.3565.