Tammy Montgomery, later known as Tammi Terrell, was an American singer-songwriter known for her work in the soul and R&B genres during the 1960s. She gained recognition as a solo artist before her career-defining collaborations with Marvin Gaye on Motown Records, which produced hits like "Ain't No Mountain High Enough" and "You're All I Need to Get By". Terrell's emotive, powerful vocal style and her significant contributions to the Motown sound have solidified her legacy in music history. Despite her untimely death at age 24, her influence continues to resonate in the realms of soul and R&B music.