Of a Revolution , better known as O.A.R. , is an MISC@1 rock band consisting of PERSON@1 -LRB- vocals , guitar -RRB- , PERSON@2 -LRB- drums , percussion -RRB- , PERSON@3 -LRB- guitar , backing vocals -RRB- , PERSON@4 -LRB- bass guitar -RRB- , and PERSON@5 -LRB- saxophone , guitar , backing vocals -RRB- .

Of a Revolution , better known as O.A.R. , is an MISC@1 rock band consisting of PERSON@1 -LRB- vocals , guitar -RRB- , PERSON@2 -LRB- drums , percussion -RRB- , PERSON@3 -LRB- guitar , backing vocals -RRB- , PERSON@4 -LRB- bass guitar -RRB- , PERSON@5 -LRB- saxophone , guitar , backing vocals -RRB- .
