Harrison is known as a musician who appreciates a musical challenge. He has never shunned an opportunity to participate in new and exciting ensembles and concerts where creativity abounds. From flamenco, to classical, to gospel, to soul, Harrison has lent his unique bass styling to enhance whatever ensemble is fortunate enough to have his participation. Luckily he expends much of his musical energies with the 8 Bold Souls. Additionally he has performed with Oliver Lake, Joshua Redman, Fred Anderson, Von Freeman, The Waukegan Symphony, Roscoe Mitchell, Billy Pierce, Billy Harper and many others.