David Robert Pack (born July 15, 1952) is an American singer, songwriter, is best known as co-founder, lead vocalist and guitarist of the rock band Ambrosia in the 1970s and 1980s. Pack wrote and sang all of Ambrosia's RIAA certified gold hits including 3x Grammy nominee “Biggest Part of Me”, “How Much I Feel” and “You're the Only Woman (You & I).” Pack also co-wrote and sang the bands first top 20 hit “Holdin On To Yesterday” in 1975 with... [more on Wikipedia]