- During the tutorial with Flowey, dodging his "friendliness pellets" causes the track to slow down, consecutively after three times. After the third time, the track slows down and stops.
- During and after an encounter that displays the message "But nobody came", when all the monsters in a region have been killed, a 12x slowed down (0.08x speed) version of this song's fifth and sixth bars play. This slowed down version is known as "mus_toomuch.ogg" in the game files.
- The song is an A flat major, which Christian Schubart wrote to be the key of "the grave".
- Your Best Friend resembles the F.U.N song from Spongebob Squarepants
- ↑ Ab Major
Key of the grave. Death, grave, putrefaction, judgment, eternity lie in its radius. - Aesthetik der Tonkunst (1806), wmich.edu.
- ↑ "Your Best Friend" Sped Up is actually... (Original) - YouTube
|Undertale Demo Soundtrack|
|1 - 10|| Once Upon a Time • Menu • Your Best Friend • Fallen Down • Ruins|
Anticipation • Unnecessary Tension • Enemy Approaching • Ghost Fight • Determination
|11 - 16||Home • Heartache • End • Nyeh Heh Heh! • Home (Music Box) • Empty House|