Underbase: Fallen Down May 2026

is a high-quality "rip" created by the musician Oasty for the popular parody music channel SiIvaGunner . It is a mashup that blends the melody of "Fallen Down" from Undertale with the iconic DECtalk text-to-speech voice popularized by the game Moonbase Alpha . Key Musical Elements

: In Undertale , this theme plays during interactions with Toriel in the Ruins. Learning to Play Underbase: Fallen Down

: The primary melody is based on "Fallen Down," the fourth track of the Undertale OST, originally composed by Toby Fox. is a high-quality "rip" created by the musician

To understand the foundation of "Underbase," it helps to know the original's structure: Learning to Play : The primary melody is

: It utilizes the robotic singing style of the DECtalk speech synthesizer.

: The main version is in 3/4 time , while the "Reprise" version shifts into 6/8 during its waltz section.