Just to add to the list -- Tycoon Dog is a very eclectic band that plays locally and has Maplewood residents as members. (Disclaimer - I am the bandleader.) You can learn more at www.tycoondog.com or www.facebook.com/TycoonDog.
Tycoon Dog puts on 15-25 free concerts throughout the NNJ/NYC area each year, including 3-5 shows in Maplewood Memorial Park. We'll be playing there on Sun 4/26 and other dates as shown below.
Hope your event turns out great!
Scott Bailey/Tycoon Dog
TYCOON DOG 2015 SCHEDULE
All shows FREE except * = free with paid zoo admission
ETA - I see that Scott posted at the same time I did and, for some reason, the link I posted doesn't show up here (linkable or otherwise.)
Tycoon Dog: http://maplewood.worldwebs.com/forums/discussion/id/115762-Tycoon-Dog-Free-Family-Friendly-Concert-in-Memorial-Park-on-Sunday-April-26-3-5-pm#comment-2975130
REVO luggage $100
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Mood Ring or the[sma]project are always willing to play, but unfortunately we're out of town that weekend.