Conversation so far:
What happened in 1989?
By spring 1990, Scholz was back in the studio working on the band's fourth studio album.
what was that album called?
Delp co-wrote with Scholz and David Sikes the song "Walk On", which eventually became the title track of the new album.
was the album successful?
CANNOTANSWER.
did they produce any other music?
"More Than a Feeling", "Peace of Mind", "Rock and Roll Band", "Something About You" .
were any of these on the charts?
final demo tape attracted the attention of promoters Paul Ahern and Charlie McKenzie.

Question: what happened with the promoters?
Self-contained rewrite: what happened with Boston and the promoters Paul Ahern and Charlie McKenzie?