The Tinpanic Steel Band will perform Friday, Sept. 30 at  6 p.m. as entertainment for Art Walk L-A at Dufresne Plaza, 72 Lisbon St., Lewiston.  Tinpanic is known for  its high-energy, Big-Band sound, and  a repertoire including calypso tunes and popular hit songs.  The free, public performance is weather-permitting only.