[3][4] In terms of structure, the group resembles a small male-voice chamber choir of approximately 14 members, featuring bass, baritone, tenor and countertenor parts in addition to a vocal percussionist.

[1] With Barrett and Callaghan departing from Trinitones, two new directors were elected in the shape of Ben Jacob and Daragh Kneeshaw, both of whom had been founding members of the group.

[12] Two months after taking charge, the pair had led the group to national headlines once more in performing with Scrubs star Sam Lloyd.

[21][better source needed] Kneeshaw and Somerville graduated at the end of the 2015–16 academic year, leaving Neil Dunne to take the reins as director.

[32][33] Despite their cover of Ed Sheeran's "Shape of You" receiving a standing ovation and "Yes" votes from all four judges, including the "biggest yes of the day" from Irish entertainment manager Louis Walsh, the group were not subsequently selected to perform in the live stages of the competition.

[35][better source needed] While the event, featuring the Penn Counterparts and the St. Andrew's Accidentals, was deemed to have been a success, the name of concert drew criticism.

[37][38][39][40] The video, a cover of George Ezra's "Budapest", was shared online by free British newspaper, Metro UK, and garnered over 5 million views in the week following its release.

[42] On the back of this exposure, Trinitones were once again invited on to Ireland AM to perform on a special Royal Wedding themed episode as the in house band.

[43] In May 2018, Keenan led the group on a tour of the American North-East coast, which included stops in Montreal, Burlington, Boston, Gettysburg, Washington, D.C. and New York City.

[47][better source needed] By September, Trinitones had returned to its traditional system of duarchy, with Evan Holland joining Keenan as director.

[49][50] In April 2019, the group released another video in the form of a cover of Sean Kingston's "Beautiful Girls", which was again widely shared and garnered millions of views on-line.

Daniel Cummins Gabriel Corcoran Robbie Kitt Fergus Grant Robert Somerville The Ronettes Patrick Kennedy Ben Steacy Kat Cleland Paula Fiegl Johnny Mason Ranald Macky [67][68][69][70] Ben E. King Billy Behan Rick Astley Cathal Dervan Mary Mary Kevin McDonnell Trinitones have yet to produce an album.

[79] In May 2019, the group's Instagram page announced that recording had started with Keenan and co-director Evan Holland in Ardmore, County Waterford.