Conversation so far:
Why are the Eraserheads reunions called mini reunions?
When did the first Eraserheads's mini-reunion occur?
The first Eraserhead's mini-reunion occured on February 28, 2007.
Where did the first Eraserhead's mini-reunion happen?
Eraserheads' first mini-reunion happened at the official book launch of Tikman ang Langit: An Anthology on the Eraserheads (2007), held at Powerbooks bookstore in Greenbelt 3, Makati City.
Was the first Eraserhead's mini-reunion at the offical book launch of Tikman ang Langit: An Anthology on the Eraserhead a concert?
The official book launch of Tikman ang Langit: An Anthology on the Eraserhead was accompanied by acoustic performances.
Who wrote Tikman ang Langit: An Anthology on the Eraserheads?
Tikman ang Langit: An Anthology on the Eraserhead is a collection of essays written by fourteen journalists, mostly fans of the Eraserheads, compiled by Melvin Calimag and Jing Garcia.

Question: What was the second mini reunion?
Self-contained rewrite: What was the second Eraserheads mini reunion?