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Songs composed by HEFTI-MATTIS
	Artist	Song title	Length	Recorded
	PEGGY LEE	I MUST KNOW	2.29	1966

	SHIRLEY BASSEY	I MUST KNOW	2.42	1968

	SHIRLEY BASSEY	I MUST KNOW (live)	3.47	1970


	Show records by HEFTI-MATTIS