Miguel Espinoza Fusion Miguel Espinoza Fusion, the collective beating heart of world-class musicians Miguel Espinoza (guitar), Dianne Betkowski (cello), and Randy Hoepker (bass) invites the listener into a rich and colorful symposium of musical traditions. Firm roots in flamenco, classical, and jazz are woven through with North African rhythms, Celtic whimsy, and Brazilian expressions for a sound that is transformative, vibrant, and deeply emotive.