David Perry Hazeltine is an American jazz pianist, composer, arranger, and educator.

The Wisconsin Conservatory of Music is an independent music school in Milwaukee, Wisconsin. It teaches classical, jazz, rock, folk, and blues and hosts musical concerts throughout the year. It is housed in a Neoclassical-style mansion built in 1904 for Charles L. McIntosh, treasurer of J.I. Case. In 2000 the building was listed on the National Register of Historic Places.