Stan Munsey Jr. began his music career as a session keyboardist in the early 1970s, contributing to recordings at Muscle Shoals before establishing himself as a songwriter in Nashville. Beyond his performance work with various country artists, he served as keyboardist for Shenandoah from 1995 until 2018, leaving his mark across multiple decades of country music.

Munsey's most significant contribution came through co-writing Shania Twain's 1993 debut single, a track that while commercially modest on its own, generated a controversial music video that caught the attention of producer Robert Lange—who would become instrumental in developing Twain's subsequent multi-platinum career. His songwriting catalogue includes additional chart successes such as Tim McGraw's top-five hit, with his overall output exceeding 12 million records sold worldwide.