Oct. 20 Druha Trava w/ Southpaw Bluegrass Band Waiting Room, 6212 Maple St. 8 p.m., $10, onepercentproductions.com Druha Trava made a splash in the international bluegrass community in 1999 when the band released the gorgeously poignant New Freedom Bell with Peter Rowan. The attention got this Czech Republic-based five-piece spots at several U.S. festivals and they have played the states consistently since then. With a newgrass sound carried by strong vocal harmonies and pushed with fantastic Dobro playing on the part of Lubos Novotny. Based around an acoustic bluegrass line-up of instruments, Druha Trava its sonic stew with Gaelic flourishes and other varied elements. Omaha’s own Southpaw Bluegrass Band will open the show with their blistering brand of Nebraska-grass.