[1][2][3][4] He was known as a pioneer of the United Kingdom reggae market, licensing his productions to Trojan Records in the early 1970s, and later working with Lee "Scratch" Perry and King Tubby.

[7] Lee began his career working as a record plugger for Duke Reid's Treasure Isle label in 1962,[8] later performing the same duties for Leslie Kong.

[8] Between 1969 and 1972 he produced classic hits including Slim Smith's "Everybody Needs Love", Max Romeo's "Wet Dream", Delroy Wilson's "Better Must Come", Eric Donaldson's "Cherry Oh Baby", and John Holt's "Stick By Me".

[7][8] Lee was a pioneer of the United Kingdom reggae market, licensing his productions to the Palmer Brothers (Pama) and Trojan Records in the early 1970s.

"[13] Working with equipment that today would be considered primitive and limiting, they produced tracks that consisted of mostly the rhythm parts mixed with distorted or altered versions of a song.

[14] With all the bass and drum ting now, dem ting just start by accident, a man sing off key, an when you a reach a dat you drop out everything an leave the drum, an lick in the bass, an cause a confusion an people like it...Lee encouraged Tubby to mix increasingly wild dubs, sometimes including sound effects such as thunder claps and gunshots.

However, during the late 1970s Lee produced almost every deejay, notably Dennis Alcapone, U-Roy, I-Roy, Prince Jazzbo, U Brown, Dr Alimantado, Jah Stitch, Trinity, and Tapper Zukie.

Errol was believed to be running a non-profit organisation, Caring Kids' Concerts, which mentors young people using music, as of October 2020.