Deletion of Cherona

Comment: as this reliable source https://www.allmusic.com/artist/cherona-mn0002013775/biography here shows that they have had an album chart in the top twenty of Germany's national chart, the top ten of Austria's national chart and the top thirty of Switzerland's national chart, so passing  criteria 2. They have also released two albulms on major labels - Sony, and Columbia which meets another criteria of  which strongly indicates they would have received significant reliable sources coverage particularly in German, imv
Stance: keep
Cited policy: Wikipedia:Notability (WP:NMUSIC||WP:NMUSIC)