T2, or T Squared, is a duo from the larger Green Key Band consisting of a concertina player and banjo player, who also plays guitar and sings. Music performed includes Irish and Celtic tunes and songs. Venues played have included farmers market, with appearances as part of Green Key at local pubs/restaurants, Irish Heritage Center of Greater Cincinnati, senior living facilities, private parties and festivals. T2 has its own equipment, including equipment for outdoor locations with no electricity. We can perform in evenings or during the daytime. Sample videos are available on our Facebook site, listed below.