John P. Hammond, a renowned singer and guitarist, has died at the age of 83 in Jersey City, New Jersey. His passing, which occurred in a hospital due to cardiac arrest, was confirmed by his wife, Marla Hammond. Hammond was a pivotal figure in the revival of Delta blues music during the 1960s, delivering virtuosic performances of classic blues tunes in the cafes of Greenwich Village, a hotspot for artistic and musical expression during that time.

Hammond's influence on the blues genre was significant, stemming from his rich musical heritage; his father was a prominent producer of jazz, blues, and folk music, providing him with a diverse musical background from an early age. His connection to music was further deepened by his relationship with notable figures like Paul Robeson, who was his godfather, and Benny Goodman, his uncle by marriage. His undying passion for blues is exemplified in a quote where he described the genre as having become "greater than life" for him.

His contributions to music were recognized with a Grammy Award in 1985 for his work on the compilation album 'Blues Explosion', featuring other notable artists like Stevie Ray Vaughan and Koko Taylor. Hammond's legacy is one of revitalization and dedication to the blues, making him a lasting icon in the music world, particularly within the American blues scene.