1. Hold the recorder with your left hand, with your index finger covering the top hole and your thumb covering the back hole.
2. With your right hand, cover the bottom three holes with your index, middle, and ring fingers.
3. Blow into the mouthpiece of the recorder.
4. To play the first note, keep all the holes covered and gradually lift your index finger from the top hole. This will produce the note "G."
5. To play the second note, move your index finger back to cover the top hole and lift your middle finger from the third hole. This will produce the note "A."
6. To play the third note, move your middle finger back to cover the third hole and lift your ring finger from the bottom hole. This will produce the note "B."
7. Repeat steps 4-6 to play the entire melody of "Hot Cross Buns."
Here is the fingering chart for "Hot Cross Buns" on the recorder:
```
G: (all holes covered)
A: (top hole open, first hole covered)
B: (top hole and first hole open, second hole covered)
```
Practice playing "Hot Cross Buns" until you can play it smoothly and evenly. You can also try adding your own variations, such as changing the rhythms or the dynamics.