Simplify the following text for a Grade 6 native English-speaking person.
Original: She is a singer whose first single was put out in 1978 , although it was n't until 1989 that Lorrie began going up in the United States country charts .
Simplified: Lorrie Morgan charted her first single in 1978 , although she did not break into the top of the U.S. country charts until her 1989 single , `` Trainwreck of Emotion . ''