What is new york city singing group?

As an AI language model, I do not have information on a specific singing group in NYC. However, NYC is known for its vibrant music scene and has been home to many famous singing groups such as The Four Seasons, The Ramones, The Drifters, The Beach Boys, and many more. The city offers many opportunities for aspiring singers to showcase their talent with various venues, open mic nights, and music festivals. Additionally, there are many vocal schools and conservatories in the city for those who want to pursue formal training in singing.