Sebert was born on March 17, 1956 in Michigan City, Indiana, and her early years were spent on her parents' farm. Her father was of German descent and her mother was of Hungarian descent. Pebe began singing and making up songs at age 4 and singing publicly by age six, and she trained as a singer and played piano and guitar. Sebert sang in groups, bands, and as a solo Artist. She entered the prestigious Interlochen Arts Academy at age 15, where she participated in the exclusive Madrigal group, which toured by invitation in Europe. She also toured as a Soprano with The American Youth Symphony and Choir. She began playing coffeehouses in Chicago and Europe throughout her high-school years.