フランシス・レイ
"Halfcrazy" is a song performed by Musiq Soulchild (then credited as Musiq), issued as the lead single from his second studio album "Juslisen". The single was released only on vinyl; and it contains a sample of "Vivre Pour Vivre" by Francis Lai. The song is Musiq's biggest hit to date on the "Billboard" Hot 100, peaking at No. 16 in 2002.