Just Like Heaven by Julia Quinn

Honoria Smythe-Smith is a bad violinist in a traditional family performance she does not look forward to but will smile through for kinship. She trailed around after her brother and Marcus his best friend since childhood. Now the Earl of Chatteris, Marcus sprains his ankle in Honoria's own carefully dug hole. After they tease, they may fall in love.

A Night Like This by Julia Quinn

Anne Wynter’s job as governess to three highborn young ladies can be a challenge – in a single week she finds herself hiding in a closet full of tubas, playing an evil queen in a play and tending to the wounds of the oh-so-dashing Earl of Winstead. After years of dodging unwanted advances, he's the first man who has truly tempted her, and it's getting harder and harder to remind herself that a governess has no business flirting with a nobleman.

Daniel Smythe-Smith might be in mortal danger, but that's not going to stop the young earl from falling in love. And when he spies a mysterious woman at his family's annual musicale, he vows to pursue her. But Daniel has an enemy, one who has vowed to see him dead. And when Anne is thrown into peril, he will stop at nothing to ensure their happy ending ...