Pat Friday (born Helen Patricia Freiday 1921 in Idaho) was a singer best remembered for her work with Glenn Miller. In other genres she worked with Roy Rogers for a time, despite not caring much for that genre of music. She is also noted as a "ghost singer" for Lynn Bari, but like most ghost singers she was not credited. Wikipedia
The definitive Wikipedia entry for Pat Friday. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Pat_Friday