51.   He also gets to sing on the soundtrack.

52.   He also lets his guard down more than usual to share personal memories of his Harlem childhood, about singing on the stoop and harmonizing with friends.

53.   He has even sung on a few musical-comedy records.

54.   He also sang on a number of tracks.

55.   He asked me to sing on his show.

56.   He has sung on a dozen records.

57.   He tells interviewers that from childhood he always loved listening to opera, always enjoyed singing on family occasions.

58.   Her voice sings on the page just as it does on television, such as when she describes the local dining scene.

59.   He says he may sing on a few tracks on the next album.

60.   He would reserve a table for four at a Manhattan restaurant, sit by himself and watch people sing on open-microphone night.