An organ crawl is like going on an adventure to explore lots of different big musical instruments called organs. Imagine going on a treasure hunt but instead of finding gold or jewels, you get to find really cool instruments that make amazing sounds.
Organs are different from other instruments because they use pipes to make noise, like a whistle or a flute. The pipes are different sizes and shapes, and when air is blown into them, they vibrate and make sound. Some organs have lots of pipes, and some have only a few.
During an organ crawl, people get to visit different churches, cathedrals, or other buildings where organs are located. A guide or an expert musician will show you around and explain how each organ works. People get to see the inside of the organs and learn how the pipes are arranged, and how the musician plays them.
When the musician starts playing, the whole room fills with beautiful music that can be loud or quiet, fast or slow, happy or sad. It's like listening to a big orchestra, but with just one person playing.
Overall, an organ crawl is a fun and educational experience for people who love music and want to learn more about this unique instrument.