Show business is business, emotions are its merchanise. This notably includes all those stories about nationality, "talent", "discovery", etc. The very idea that solo singers are the main artistic influence on their music is a such a cherished myth. Typical pop and TV consumers actually wish to buy such myths and do not pay much attention to sophisticated details of pronunciation, breathing etc. (Consequently, stories that have nothing to do with musical quality at all, e.g. about body weight, beauty, clothing styles, drug abuse, love life, etc. are happily interwoven into the discussions by the fans and their providers.)

Summary: if you like the music, don't say "she is good", say "it is good".