Listen to I'm A Hundred Per Cent For You (vocal) online. I'm A Hundred Per Cent For You (vocal) is an English language song and is sung by Fats Waller and his Rhythm. I'm A Hundred Per Cent For You (vocal), from the album Two Sides, was released in the year 2016. The duration of the song is 3:04. Download English songs online from JioSaavn.