Conversation so far:
When was Stevie Nicks born?
Stephanie Stevie Nicks was born at Good Samaritan Hospital in Phoenix, Arizona
How long did Stevie Nicks live in Arizona?
Stevie Nicks' father's frequent relocation as a food business executive had the family living in Phoenix, Albuquerque, El Paso, Salt Lake City, Los Angeles, and San Francisco.
What was the next major life event after she was born?
While attending Arcadia High School in Arcadia, California, Stevie Nicks joined her first band, the Changing Times, a folk rock group focused on vocal harmonies.
What was the first band that Stevie Nicks joined?
While attending Arcadia High School in Arcadia, California, Stevie Nicks joined her first band, the Changing Times, a folk rock group focused on vocal harmonies.

Question: How long was she in Changing Times?
Self-contained rewrite: How long was Stevie Nicks in Changing Times?