 Hawkins would eventually go on to lead the first formal recording of the bebop style in early 1944.As the 1930s turned to the 1940s, Parker went to New York as a featured player in the Jay McShann Orchestra.In New York he found other musicians who were exploring the harmonic and melodic limits of their music, including Dizzy Gillespie, a Roy Eldridge-influenced trumpet player who, like Parker, was exploring ideas based on upper chord intervals, beyond the seventh chords that had traditionally defined jazz harmony.