| Artist name | Roles | Recordings |
|---|---|---|
| Sisqó | performer, vocal | How Many Licks, How Many Licks?, How Many Licks? (a cappella), How Many Licks? (clean album version), How Many Licks? (dirty album version) |
| Artist name | Roles | Recordings |
|---|---|---|
| Jerry Weaver | guitar, piano | Agnus dei, Ave verum corpus, Mel Tormen joululaulu, Sydämeeni joulun teen, Tonttu |