 They ranged from classical compositions to traditional Italian melodies and popular tunes of the day, including a few English-language titles such as George M. Cohan's "Over There", Henry Geehl's "For You Alone" and Arthur Sullivan's "The Lost Chord".Caruso possessed a phonogenic voice which was "manly and powerful, yet sweet and lyrical", to quote the singer/author John Potter (see bibliography, below).He became one of the first major classical vocalists to make numerous recordings.