Detroit Ikea shoppers had a little extra help finding the registers recently, courtesy of Beethoven. A trip to Ikea is quite an adventure, especially if you try to navigate without a map. Â It's alright, as long as you follow the tape and arrows on the floor, but just try to take a shortcut and...whoops! Â You're starting over. Most of the time, whatever music you hear in a store is provided courtesy of a Muzak satellite receiver. Â Shopping ground to a halt, however, when it was provided by members of the Detroit Symphony.