Tommy Mottola, the former head of Sony Music Entertainment, has debuted his newest venture, an art gallery.

His Gallery Valentine in East Hampton, New York, showed a mix of contemporary and blue-chip artists at its weekend opening, priced $5,500 to $3.5 million. Some of the works belonged to Mottola, including a Warhol given to him by the artist. Also offered are pieces by de Kooning, Alex Katz, Leger, Rauschenberg and Sam Francis.