Read the following context and answer the 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 ) .
Question: Why did they need so many external speakers ?
Answer:


To throw a community fiesta .