[2] In 1983, Gabriel was approached by Martin Scorsese to develop the soundtrack for The Last Temptation of Christ, although the release date of the film was ultimately pushed back to 1988.

[2] After attempting three different sets of lyrics, Gabriel solicited the assistance of guitarist David Rhodes, who helped him "loosen a few syllables here and there.

[8]"That Voice Again" is Gabriel's final song to be associated with his aborted story surrounding the fictional character of Mozo, a "mercurial stranger" loosely based on Moses and the alchemical treatise Aurora consurgens.

[8] Gabriel gravitated toward the 12-string guitar during the recording sessions; the instrument had not appeared on any of his compositions since the 1974 release of The Lamb Lies Down on Broadway, which was his final album with Genesis.

[9][11] Similar to "Red Rain", the first song on So, "That Voice Again" begins with an instrumental interlude followed by the chorus, which features multitracked vocals overdubbed by Gabriel.

[12] Ultimate Classic Rock thought that Gabriel demonstrated an "exquisite vocal delicacy on the yearning, piano-dazzled 'That Voice Again' — a love song torn apart by self-doubt.