- Winter Season · - Santa Cruz · - Foothill · - Vallejo Band Review · - Encinal Band Review · - Spring Concert Photos · Awards. . From January 18th to. . 4 Seasons Winter betsul From January 18th to February 10th,, Igloofest, the coldest music festival in the world, brings thousands of electronic music and. From January 18th to February 10th,, Igloofest, the coldest music festival in the world, brings thousands of electronic music and winter. Where whimsical meets.