[1] She soon became a regular at Sunset Boulevard's jazz clubs and began to perform autoharp version of tunes from Alan Lomax's The Folk Songs of North America.

[1] Henderson's brother served in England with the United States Air Force and, following encouragement from him, she travelled to London, staying at a hotel in the Hampstead area.

[3] After meeting John Renbourn at The Roundhouse, she offered the young guitarist the chance to accompany her when she won a residency on the BBC2 television programme Gadzooks!

After an encounter with the Dutch folk singer Cobi Schreijer at the Roundhouse, Henderson undertook a European tour encompassing thirteen countries,[4] and lived for some time in the Netherlands, where she also recorded.

[1] After marrying Mac McGann, formerly of the Levee Breakers, Henderson settled in Twickenham and largely retired from music, bar some jingle work and a few appearances with Bob Kerr.