The most studio albums released digitally is (445) by Marcel Ray Duriez

The most studio albums released digitally is (445) by Marcel Ray Duriez of Northern Cambria Pennsylvania, United States, who has 4,445 songs as a solo artist musician all songs for the record were recorded in one years time, (each album has 10 songs in it, 4,445 is divided by 10) the total being 445 albums. The self-titled album is named Duriez. The full album has been playing in full 32,000 times, has 28 songs in the top fifty in alternative music, and 56 songs picking at the top of the rock carts in Avant rock. 296.3 hours to play them all. "Musical compassion as a Sonata on electric guitars was extraordinary and innovative, imaginative, brilliantly clever, and made crazy wild sounds that feel like Jimi Hendrix, and Van Halen, with the swing of Zeppelin and Stevie Ray Von, Steve Vai, and Joe Satriani." The album was showcased on "The Home Grown Rocker" with Altoona radio station Q94 with Professor Jim Price. The music released: https://marcelrayduriez.bandcamp.com/album/duriez Full album: https://archive.org/details/LongestDigitalAlbum Soundclick: https://www.soundclick.com/artist/default.cfm?bandID=1502438