What Instruments were use for Green Hill zone?

In the Green Hill Zone from the original "Sonic the Hedgehog," the music primarily features synthesizers, electric Guitars, and percussion instruments. The upbeat melody is characterized by catchy tunes produced by a combination of chiptune sounds and rhythmic bass lines from the Sega Genesis's sound chip. This blend creates an energetic and memorable soundtrack that complements the game's fast-paced gameplay. The iconic theme has since been reimagined in various Sonic games and adaptations, maintaining its nostalgic appeal.