View of musicians playing in Chalmers car in parade during Chalmers Motor Company sales convention. Sign on car reads: "The newest Chalmers Six '30.' Chalmers Dealer's Convention." Drummer holds bass drum painted with "Finzel, Detroit." Hotel Pontchartrain and Star Credit Clothing Co. in background. Handwritten on back: "Dealerships--Chalmers, 1915. Chalmers parade. Taken for Chalmers Motor Co. Convention, Nov. 15, 16 & 17, 1915."