Board Thread:Questions and Answers/@comment-124.6.181.108-20130911223610/@comment-3250527-20130912054741

Start Episode 19, 07:52 (Kirito screams)

Start Episode 22, 09:30 (Kirito prepares to fly up)

Anime OST 1, Track 1: Swordland

Before the release of the SAO Anime, it was known as "Mainstream Song" or something like that on YouTube.

Source: I have all the anime OST... and recognize almost all of them upon hearing.