Clarinet is a minor, mentioend only character who was mentioned in the main, Fallout: Equestria story.
Clarient was the wife of Monterey Jack and the mother of their children. Clarinet and Monterey Jack were both out scavenging in the wasteland when they are ambushed by a Manticore. The two fought the wild beast until they were both injured. Jack was less severely injured and managed to finish killing the Manticore.
Clarient's wounds were too severe for the potions they brought to heal up fully. She told her husband to drink the potion and look after their children before she died. Jack returned to their home in Tenpony Tower were rumours persisted that Monterey Jack may have murdered his wife, but it was mostly idle chatter.