What instruments were used in Louis Armstrong the saints go marching on?

The song "When the Saints Go Marching In" is a traditional jazz standard that has been performed by many artists, including Louis Armstrong. The instrumentation used in a particular recording of the song may vary depending on the arrangement, but the following instruments are commonly used:

- Trumpet

- Clarinet

- Trombone

- Piano

- Bass

- Drums

These instruments provide the main melody, harmony, and rhythm of the song. Additional instruments such as saxophone, guitar, and banjo may also be added for a fuller sound.