X – Common factor between Pink Floyd‘s Speak To Me and Brain Damage.
Y – Common factor between Floyd’s Great Gig in the Sky and Money.
X and Y are also related to each other. ID X and Y.
Question courtesy: Easwar
X is Peter Watts, father of Naomi Watts, who was sound engineer with Pink Floyd. It is his laughter which is heard in both the mentioned songs. Y is his wife Myfanwy Edwards whose voice is heard in the two songs.
Turned out be tad too tough. Zero cracks. 🙂
