SONGS OF WATER It's not easy to describe the music of Songs of Water. The generally instrumental music takes influence from European sources as much as from Americana and Appalachia. The result is a fluid, energetic, rhythmic swirling of sound that brings your attention to all directions strings, drums, guitar. With Ben and Vesper and The Benjamin Circle. $8-$10. 8 p.m. Visulite Theatre. www.visulite.com.