This tune is well known by bluegrass and "Old Timey" players, and is often played at the start of a session. The tune is in the key of D, so you will need a D harmonica in first position.
The tune has an AABB structure, as follows:
5B 5D 6B 5B 4B 5B 6B 7B 7B
5B 5D 6B 5B 4B 5B 6B 5D 4D 4D
5B 5D 6B 5B 4B 5B 6B 7B 7B
7B 8D 8B 8D 7B 8B 8D 7B 7D 8D 7B
repeat
7B 8D 8B 8D 8B 9D 9B 8B 8D 7B 7D 7B 8D 8B 9D 8D
8B 8D 8B 9D 9B 8B 8D 7B 7D 6D 6B
7B 8D 8B 8D 8B 9D 9B 8B 8D 7B 7D 7B 8D 8B 9D 8D
8B 8D 7B 8B 8D 7B 7D 8D 7B
repeat
Here is the tune, at full speed
Here is a slower midi version of the tune
For those who can read music, here is the score.
For those with only a C harmonica, here are midi files of the tune at half speed and at full speed.
Finally here is the backing, without the harmonica, at medium speed
and at full speed
Use these backings for your own performances.