In the early 1960s Vicky Longomba and Jean Essous left OK Jazz to join African Jazz.
Franco then became the leader of the band.
He recruited vocalists Kwamy Munsi and Mulamba Joseph Mujos.
Simaro Masiya Lutumba joined OK Jazz in 1961.
Essous was replaced by saxophonist Verckys Kiamuangana Mateta.
In 1962 OK Jazz visited Nigeria on their first foreign tour.
Later that year, Vicky Longomba rejoined the band.
Lola Checain, a vocalist who had left earlier also came back.

Around this time, the band changed their name to TPOK Jazz.
TP stood for "Tout Puissant" (all mighty).
Band membership had increased to over twenty.
The quality of their music had improved to where they could challenge African Jazz for the position of Congo's premier group.
Franco's music appealed to ordinary people mainly because it discussed issues that affect the common man on a daily basis.
Franco led other Congolese musicians in using new technology to produce sounds of much higher quality than in any other part of Africa.
The new technology included electric guitars, amplifiers and basses.
Congo had now assumed the premier position as Africa's leading music nation.
During the late 1960s, Kwamy Munsi and Mulamba Joseph Mujos led nine other musicians in a mass defection from TPOK Jazz.
A few months later, saxophonist Verckys Kiamuangana Mateta also left.
Franco recruited Rondot Kassongo wa Kassongo to replace Verckys.
He also brought in solo guitarist Mose Fan Fan.
Fan Fan had a new style of guitar-playing called sebene, which was more danceable.
This style came to be known as Sebene ya ba Yankees.
Fan Fan also composed a number of extremely popular hits including Dje Melasi.
In the early 1960s Vicky Longomba and Jean Essous left OK Jazz to join African Jazz. Franco then became the leader of the band. He recruited vocalists Kwamy Munsi and Mulamba Joseph Mujos. Simaro Masiya Lutumba joined OK Jazz in 1961. Essous was replaced by saxophonist Verckys Kiamuangana Mateta. In 1962 OK Jazz visited Nigeria on their first foreign tour. Later that year, Vicky Longomba rejoined the band. Lola Checain, a vocalist who had left earlier also came back.
Around this time, the band changed their name to TPOK Jazz. TP stood for "Tout Puissant" (all mighty). Band membership had increased to over twenty. The quality of their music had improved to where they could challenge African Jazz for the position of Congo's premier group. Franco's music appealed to ordinary people mainly because it discussed issues that affect the common man on a daily basis. Franco led other Congolese musicians in using new technology to produce sounds of much higher quality than in any other part of Africa. The new technology included electric guitars, amplifiers and basses. Congo had now assumed the premier position as Africa's leading music nation. During the late 1960s, Kwamy Munsi and Mulamba Joseph Mujos led nine other musicians in a mass defection from TPOK Jazz. A few months later, saxophonist Verckys Kiamuangana Mateta also left. Franco recruited Rondot Kassongo wa Kassongo to replace Verckys. He also brought in solo guitarist Mose Fan Fan. Fan Fan had a new style of guitar-playing called sebene, which was more danceable. This style came to be known as Sebene ya ba Yankees. Fan Fan also composed a number of extremely popular hits including Dje Melasi.
TPOK Jazz