I used to think festival season was all about summertime magic, bare feet, desert sands and palm trees. But one of the wonders of living in a seasonal twilight-zone like San Francisco is a festival can strike at any time, like...now! Noise Pop is here, a springtime selection of independent music, art and film. There are events going all week so check out the schedule and take your pick. Here are mine, for this week's Arts/Culture/Weekend: