Possible Name (Class Concept it incorporates): A little bit about it.
Wandering Artists (Artificer): Creative types searching for inspiration for their masterpieces.
Skald (Barbarian): The type some consider mad: their war songs are all merry and their peace songs are all sad.
Keener (Blood Hunter): Blood music for the blood god. (Possibly linked to Banshees, El Silbón, or similar.)
Cantor (Cleric): A holy singer often preached to as part of a choir.
Ovate (Druid): I sing for the trees!
Swashbuckler (Fighter): The flashiest of all duelists who is, somehow, always a Fighter or Rogue variant instead.
Tracer (Monk): From Parkour Brothers.
Herald (Paladin):
I come with tidings.
Vagabond (Ranger):
I roam around around around.....
Spy (Rogue): There's a
spy in the castle? I'm shocked! Shocked I tell you!
Glamourist (Sorcerer):
Give 'em the old razzle dazzle.
Musician (Warlock): Is not amused when dealing with creative block due to their Muse being on break.
Spellsinger (Wizard):
Treguna Mekoides Trecorum Satis Dee