Conversation so far:
what happened in 2008 regarding shinee?
Prior to the group's debut, the label company, S.M.
Entertainment, introduced an upcoming contemporary R&B boy group.
did they make any albums?
On May 25, 2008, the group's first EP, Replay, was released.
was it successful?
which debuted at number ten on the Korean music charts and peaked at number eight, selling 17,957 copies in the first half of 2008.
did they produce any other albums?
Shinee subsequently released their first full-length album, The SHINee World, which debuted at number three, selling 30,000 copies.
did they tour?
Shinee had their first stage performance on SBS's Inkigayo with their single "Replay".

Question: how did the single do?
Self-contained rewrite: How did the group Shinee's single "Replay" do?