All 8:26 of it! In one movement, for 4 horns and orchestra:
https://www.youtube.com/watch?v=8wsUaoe-3G0
From this recording:
https://www.prestomusic.com/classical/products/7976609--alyabiev-the-magic-drum-orchestral-incidental-music
A snip on Amazon, at just over 30 pounds!!!
A true snip at Presto - £1.66 for the Symphony (download).