Musicians with the New York City-based band, Asphalt Orchestra perform for downtown spectators during a march down Massachusetts Street.

photo by: Nick Krug

Members of Asphalt Orchestra set off down Massachusetts Street for a flash-mob-style performance for spectators on Thursday evening in downtown Lawrence. The group will be performing at the Lied Center on Sept. 6 at 7:30 p.m.

photo by: Nick Krug

Percussionist Kenneth Salters smiles as he and other members of Asphalt Orchestra perform for spectators outside Free State Brewing Co., 636 Massachusetts, on Thursday evening in downtown Lawrence. The group, which marched from the brewery to various points downtown will be performing at the Lied Center on Sept. 6 at 7:30 p.m.

photo by: Nick Krug

Members of Asphalt Orchestra head down Massachusetts Street as they perform for spectators on Thursday evening in downtown Lawrence. The group, which marched from the brewery to various points downtown will be performing at the Lied Center on Sept. 6 at 7:30 p.m. Nick Krug/Journal-World Photo

photo by: Nick Krug

Shoppers from inside Hobbs look out as members of Asphalt Orchestra perform at the southeast corner of Seventh and Massachusetts on Thursday evening in downtown Lawrence. The group will be performing at the Lied Center on Sept. 6 at 7:30 p.m.

photo by: Nick Krug

Members of Asphalt Orchestra march with their instruments along the 700 block of Massachusetts Street, Thursday evening in downtown Lawrence. The group, which marched from the brewery to various points downtown will be performing at the Lied Center on Sept. 6 at 7:30 p.m. Nick Krug/Journal-World Photo

photo by: Nick Krug

Saxsaphonist Ken Thomson and other members of Asphalt Orchestra shout out during a flash-mob-style performance for spectators on Thursday evening in downtown Lawrence. The group, which marched from Free State Brewing Co. to various points downtown will be performing at the Lied Center on Sept. 6 at 7:30 p.m. Nick Krug/Journal-World Photo

photo by: Nick Krug

Spectators watch as members of Asphalt Orchestra perform outside the Sandbar, 17 E. Eighth Street on Thursday evening in downtown Lawrence. The group, which marched from the brewery to various points downtown will be performing at the Lied Center on Sept. 6 at 7:30 p.m. Nick Krug/Journal-World Photo