This is the "Bonaparte Crossing the Rhine" which is the air that Hot Asphalt and Give Mick Maguire the Chair are sung to: https://www.youtube.com/watch?v=8KerknFCvw0 Mícheál Ó Súilleabháin

but there is another tune commonly known as Bonapart Crossing the Rhine:
https://www.youtube.com/watch?v=ZJYONT5amu0 André & Roger Roux
https://www.youtube.com/watch?v=zXKrA1k4jQg Claire and Walt Koken