C64Music/DEMOS/M-R/Opening_the_Doors.sid 
Emulated in your browser by libsidplayfp (reSIDfp or SIDLite) in WebAssembly, GPL-2.0-or-later: source, licence.
| Title | Opening the Doors |
| Author | CastleNes |
| Released | 2025 CastleNes |
| Format | PSID v2 |
| Songs | 1 (default 1) |
| SID model | MOS 6581 |
| Clock | PAL |
| Load / init / play | $1000 / $1000 / $1003 |
| Size | 1.5 KB |
| Length | 0:48.38 |