Triptych may refer to one of Four artists:
1) Charles Michaud, a French Progressive Psy-Trance producer. He is also part of the group Solead with friend Vincent Courcot aka Motion
2) Colum Coyle, a House & Techno producer from Belfast, Northern Ireland.
3) An acoustic 3-piece acoustic pop-rock band founded in 2011 in York, UK, consisting of Mark Perkins, Tom Chapman and Tom Emmett.
4) A Belgian nineties rockband consisting of three brothers, hence the name, producing two full albums and a number of singles and touring in a fair number of European cities. Although the band split up around the year 2000, they are known to still play together on occasion. http://www.orangefactory.be/biotriptych.html