55 UnderGround presents Root Valdez at Engelman Recital Hall, Baruch Performing Arts Center, on October 10, 2008. Root Valdez mixes groove and improvisational-oriented music with electronic styles such as dub, drum, and bass. They are best described as ambient rock. Christopher Heinz: drummer Leslie Graves: singer Fred Gerantabee: guitar Stephanie Wells: keyboards Brendan O'Grade: bassist Contramano is what happens when Argentine angst meets New York City attitude. Pablo Cubarle: singer, cellist, guitarist Benjamin Ickies: accordion Grant Zubritsky: bass Marco Andrade: drums