Experimental music has experienced a dramatic rebirth in Athens over the past year. Since we published our overview on the Classic City's new underground last April, the scene has continued to explode, new acts popping up like shapeshifting flowers throughout the local music landscape. Two ongoing concert series have recently emerged, both designed to showcase noise, drone and otherwise uncategorizable sounds. Monthly Sunday shows at Hendershot's have featured genre linchpins like Motion Sickness of Time Travel. Over at The World Famous, April's Experimental Mondays series concludes Apr. 28 with sets from anti-jazz trio Thunder O(h)m, synth explorer Sam Frigard, a.k.a Terminals, and a solo set from Scab Queen founder Michael Lauden, one of our town's most quietly active creators of late.