Conversation so far:
What was BoA's debut song?
How did BoA's music expand throughout Japan?
BoA's 2002 debut Japanese album, Listen to My Heart, was a breakthrough in BoA's career. It become an RIAJ-certified million-seller and debuted atop the Oricon
Is there anything interesting about BoA's Japanese debut album during 2000-2002?
BoA's Japanese debut album, Listen to My Heart, became an RIAJ-certified million-seller and debuted atop the Oricon, the first album by a Korean artist to do so.

Question: What was she doing that she was noticed?
Self-contained rewrite: What was BoA doing at SM Entertainment talent search that she got noticed?