“Brandy” was HUGE in 1972, and ended up being the No. 1 song on both the Billboard and Cashbox charts for the year … and deservedly so. It was written and composed by Elliot Lurie and recorded by Lurie’s band, Looking Glass, on their debut album also called Looking Glass.  It’s an odd subject for a rock song; a barmaid from a bygone era whose heart belongs to a man who’d…