rearranging the rehearsal schedule...

well, we found out last night that one of the other tenants in the building we're rehearsing at has a band. a very loud band. so the director went and talked to them, got them to commit to practicing on thursdays (he said at first they said they usually only practice one night a week, but not always the same night) we left early because we couldn't hear ourselves, much less the piano. so now thursdays are off and wednesdays are on. though i was thinking, wouldn't there be some kind of noise ordinance that would apply here? and having never been in a band, is it really necessary to crank up the sound when you're just practicing? i mean trying to be heard over a crowd i can understand, but if it's just the band in a medical supply store does it have to be deafening?