This summer, NBC's TODAY is the morning music destination, celebrating 17 years of bringing together the hottest hit-makers. On Friday, May 18 fans will certainly scream “Yeah!” when Usher kicks off the 2012 Toyota Concert Series on TODAY. In his first-ever TODAY concert, the seven-time Grammy award winner will put the rock in Rockefeller Plaza.

Every Friday, from 5:30 to 7:30pm, the American Folk Art Museum invites the public in to relax with live music provided by notable NYC musicians. Visitors are also welcome to peruse the institution's collections. The museum, which always offers free admission, recently moved from West 53rd Street to a new home at 2 Lincoln Square.

USP teamed with Big Onion Walking Tours to create a free, 90-minute walking tour Saturdays at 2 PM entitled Union Square: Crossroads of New York. The tour departs from the Abraham Lincoln Statue located along the 16th Street transverse.

Every Tuesday at dusk, gaze at the stars, planets, and Moon using high-powered telescopes, and chat with members of the Amateur Astronomers Association of New York about the sights you see.

Critical Mass is a spontaneous celebration of what our streets could look like. The last Friday of the month, every month, 7:00 p.m.

At the Brooklyn Museum's Target First Saturdays, thousands of visitors enjoy free programs of art and entertainment each month from 5 to 11 p.m.

Check out Jimmy Cliff for the opening night of Celebrate Brooklyn. Concert is open to the public. BRIC Arts | Media | Bklyn is delighted to announce a very special opening night to kick off the 34th Celebrate Brooklyn! season! 

Brooklyn-based Das Racist is known for their use of humor, obscure references, and unconventional style. Featured on the cover of Spin Magazine in 2011, this self described Hare Krishna, hard-core rap, folk-music trio has established themselves as one of the most interesting groups in music today.

Four free concerts Tuesdays in July at 8 pm. Music Director Lutz Rath has announced the 54th season of the Washington Square Music Festival that will take place in St. Joseph’s Roman Catholic Church and Washington Square.  All concerts are free and take place Tuesdays at 8 pm in July.