What are the musical instruments in Edelweiss's?

In "Edelweiss," a song from the musical "The Sound of Music," the primary Musical Instruments typically include the guitar and piano, which provide a gentle and melodic accompaniment. The song's simplicity allows for various arrangements, but the essence is often conveyed through these instruments, enhancing its emotional resonance. Additionally, orchestral arrangements may include strings and woodwinds in more elaborate performances.