Deletion of Rhythm Method (a cappella group)

Comment: That is not a valid argument, as articles are judged on individual merit, and a capella groups must currently be judged under Wikipedia notability guidelines per . You could always nominate the other groups' articles for deletion, if you feel they fail notability guidelines, although Emocapella seem to have some claim to notability in terms of press coverage
Stance: comment
Cited policy: Wikipedia:Notability (WP:MUSIC)