What is alfonzo johnson?

Alfonso Johnson is a renowned American bassist from Philadelphia, Pennsylvania. He has a career spanning over four decades and is a highly respected musician known for his versatility on the bass guitar and fusion jazz music. Johnson has worked with many renowned musicians in various genres such as rock, jazz, funk, and world music. Some of these notable artists include Frank Zappa, Weather Report, Santana, George Duke, Phil Collins, and Bobby McFerrin. He has also released a number of solo albums and is considered a pioneer of fretless bass guitar technique.