[4] In 2000 this publication became a monthly magazine, still called Echoes, for which he continues to write full-length features, singles and album reviews on the genre's artists and producers.
John Masouri's extensive list of interviewees from the past thirty years include Jimmy Cliff, Bunny Wailer, Gregory Isaacs, Toots and the Maytals, UB40, Burning Spear, Lee "Scratch" Perry, Sean Paul, Shaggy, Maxi Priest, Damian Marley, Stephen Marley, Chronixx, Vybz Kartel, Garnet Silk, Sizzla, Shabba Ranks, Super Cat, Bounty Killer, Capleton, Prince Buster, Augustus Pablo, Alton Ellis and Beres Hammond, among many others.
[7] He has also been a guest speaker and panellist at events, including the Rototum Festival (in 2008, 2012 and 2017) and the Reggae Symposium of Film and Music held at Nottingham Broadway Arts Centre in 2015.
[9][10] Work on it began in 1998 when he was approached by Aston "Family Man" Barrett to write an authorised biography of The Wailers, telling of the band's history and their time spent touring and recording with Bob Marley.
The Life of Bob Marley by Jim McCarthy & Benito Gallego (Omnibus Press 2017) and ECHO / Fuel For Fire by Jamaican poet Oku Onuora (Iroko Books 2018).
He has written introduction to former Jamaican Prime Minister Edward Seaga's CD box set Reggae Golden Jubilee 50th Anniversary.
[12] In 2008 he was presented with an award for outstanding services to UK Reggae at a ceremony held at the Brixton O2, London, featuring the Lovers Rock artists Sugar Minott and Errol Dunkley.