Final answer:
Coleman Hawkins's improvisational style did include the use of arpeggios and frequent harmonic substitution, contributing to the rich tapestry of jazz music's evolution during the Harlem Renaissance.
Step-by-step explanation:
The statement that Coleman Hawkins's style of improvising included the use of arpeggios and frequent harmonic substitution is true. Coleman Hawkins was a pioneering jazz musician who became known for his innovative approach to improvisation. He played the tenor saxophone and was highly influential in the development of the jazz music style. His improvisational techniques often involved the use of arpeggios, which are chords played note by note in succession, and harmonic substitution, which is a method where the typical chords of a song are replaced with different chords to create a new harmonic landscape. These techniques contributed to the complex and expressive solos for which Hawkins was celebrated. The evolution of jazz, as seen in the playing styles of musicians like Hawkins, mirrored the broader cultural movements of black artists during the Harlem Renaissance who sought to express the realities and emotions of life in their communities through a uniquely African American musical vocabulary.