Although Leng credits the song's two acoustic guitar parts to Harrison alone,[REF] Spizer suggests that guitarist Peter Frampton may have supplied one of these parts [REF].
While relatively free of the Wall of Sound production style found elsewhere on the album,[REF] the song's "sense of the mysterious" is conveyed through Spector's liberal use of reverb, Alan Clayson writes,[REF] particularly on Alan White's snare drum and Harrison's murmured backing vocals following verses two and four [REF].