Complex sentence: They also cannot be taught to remember a melody or to recite a song; however, they capable of hearing the intonation of speech, for example, distinguishing between "You speak French" and "You speak French?" when spoken.
Split into simpler sentences: They also cannot be taught to remember a melody or to recite a song. They are still however capable of hearing the intonation of speech, for example, they can tell the difference between "You speak French" and "You speak French?" when spoken.