sentences:  During this 1974-1975 period, they became the first French rock band to headline the famed Olympia Theatre in Paris; and the only French band to ever headline the national American TV concert show "The Midnight Special" and the national American radio concert special "King Biscuit Flower Hour".In the summer of 1975, after the band's national tour of America in support of their charted album, Robert Fitoussi choose to branch out on his solo career as F. R. David.Jacques Grande and Maurice Meimoun also left the band at that time.