Memories

Memories is Disc 1, Track 5 on the Xenoblade Original Soundtrack. It plays during these cutscenes:
 * While Shulk and Reyn take a rest in Tephra Cave
 * After the first battle against
 * While Sorean congratulates Melia after she returned from the High Entia Tomb
 * After the party returns from the High Entia Tomb and get summoned to Sorean from Whitewing Palace
 * While the party visits Melia at the Imperial Villa
 * During the conversation between Shulk and Dunban on after they returned from Prison Island
 * Reyn and Sharla wake up on the Fallen Arm
 * While the party takes a rest in Mechonis Field
 * Fiora visits the unconscious Shulk inside Junks
 * The cutscene that follows directly after that inside Junks
 * In Definitive Edition, it is one of the songs that may play during the tutorials introducing, the other songs being Reminiscence and Riki's Kindness

It also plays during these cutscenes in Xenoblade Chronicles: Future Connected:
 * When the party meets Tyrea in Teelan's laboratory
 * While Helmaline explains the leaving of the Companions from Gran Dell