Sunday is the third annual Make Music New York celebration.  Previously noted in OTBKB has been the Accordion Forest and Singalong at The Old
Stone House, part of that celebration.  Pierre at The Gigometer has provided OTBKB Music with a list of some of the other better performances today:

Juliet Echo (8:00pm) – First Avenue and Houston Street
And The Revellers Fell (6:00pm) – Grand Ferry Park
Maggie Doucet (3:00pm) / Stephen Clair (4 – 5:30pm) – Kill Devil Hill
Joséphine (3:00pm) – Urban Cottage
Lili Roquelin (1:00am) – Astoria Music Shop
Alicia Jo Rabins (6:30 -8pm) – Riverside Park
Athena Reich (1 – 2pm) – La Perla Garden
Tamara Hey (4:00pm) – 2nd Ave and E 10th St
Joe Thompson and the Comfortable Catastrophes (1:00am) – City Hall Park
Cassis and the Sympathies (5:30pm) – Tavern on the Green
Karen Mantler (2:00am) – DeSalvio Playground
Bill Popp and The Tapes (3 – 4pm) / Little Kitten Space Girl (5:30
-6pm) – Washington Square Park
Stephane Wrembel (1:00pm) – Fada Restaurant
Venice Beach Muscle Club – Coney Island
Her Vanished Grace (11:30am ? 12:15pm) / Rebecca Pronsky (2:45 ?
3:30pm) / Sharon Van Etten (5:30 ? 6:15pm) – Sackett St Block Party
Daru Oda (noon – 3pm) – Inspired Design
Hot Box (5:15pm) – Spike Hill
Matt Singer (5:00pm) / Willie Breeding (7:30pm) – Bar Matchless
The Scandinavian Half-Breeds (4 – 6pm) – Lovin' Cup
Randi Russo (4:00pm) / Lorraine Leckie (5:00pm) – Pass Out Record Shop
Amanda Monaco (4:00pm) – The Creek

(For more information about the bands or venues listed above, check The Gigometer)

 –Eliot Wagner