The “.SID” file extension is commonly associated with Commodore 64 (C64) music files. SID files contain music created for the SID (Sound Interface Device) chip, which is the audio chip used in the Commodore 64 computer. These files often store musical compositions, including melodies and instrument data, in a format that can be played on emulators or dedicated hardware.

How to open a SID file:

To open and play a SID file, you need a SID player or emulator that supports the SID format. Here are the steps:

1. SID Players:

2. Commodore 64 Emulators:

Programs that may open SID files:

1. SIDPlay:

2. Commodore 64 Emulators:

Various apps that use files with SID extension: