repertorial en · ADJ
Etymology
From repertory + -al.
Meanings
-
(not-comparable) Of or pertaining to a repertory.
Conductors leading performances of music outside the mainstream presumably enjoy the chance to get off the beaten repertorial track while piquing an audience’s curiosity about lesser-known scores.
2009 August 20, Vivien Schweitzer, “Repeating a Work That’s All but Ignored”, in New York Times: