Which producer's son is heard speaking as a child on Metallica's “Enter Sandman”?

Bob Rock's son is heard speaking as a child on Metallica's Enter Sandman. His voice appears during the song's unsettling bedtime-prayer passage.

Enter Sandman contrasts a familiar sleep ritual with images of nightmares and danger. Near the breakdown, James Hetfield recites a variation of the traditional prayer “Now I Lay Me Down to Sleep” and a modified lullaby. The child's presence makes the scene sound intimate while intensifying the song's uneasy mood.

The recording credit is easy to overlook because the featured child is not a member of Metallica and does not appear as a conventional guest vocalist. The personnel listing identifies him through his relationship to producer Bob Rock rather than by a prominent independent artist credit.

The song's subject is the fear surrounding sleep, not a literal supernatural character alone. The Sandman comes from Western folklore as a figure associated with putting children to sleep, while Metallica's lyrics turn that idea toward nightmares and family anxiety.