Based on the context and the answer, generate a question. 

Context: So yesterday was the block party show . Overall , it went pretty well . We nailed most of the songs , the ones we did n't were due to power problems . We were working off a 20 or 15 amp outlet , and we were using 5 guitar amplifiers ( 3 for bass and guitars , two for vocals ) .

Answer:

To throw a community fiesta .



Why did they need so many external speakers ?