Conversation so far:
What are Yui Horie's other activities?
Yui Horie founded Aice5, a J-Pop group
What is specified as to who were the artists that Yui Horie collaborated with for the J-Pop group, Aice5?
Aice5 consisted of four other voice actors, to help launch their careers.
Did Aice5 hit the top chart?
Aice5's album Love Aice5 was released on February 26, 2007, remaining in the Oricon charts for four weeks with a highest rank of eight

Question: What are the other things she tried?
Self-contained rewrite: What are the other things Yui Horie tried besides forming Aice5?