Here's the tune from Nic's Unearthed. Unlike most of the transcriptions elsewhere which have "into Moscow he went", he has into Muscovy went (Poland into Russia making better sense than into Moscow).

Mick

---

X: 1
T:The Warlike Lads Of Russia
M:2/4
L:1/8
Q:1/4=100
S:Nic Jones: CD Unearthed
C:Nic Jones
K:E
(B,C)|E>E E>F|CB, B,B,|E>F- FE|B3
w:When_ Bon-a-parte from Pol-and in-to Mus-co_vy went
B|cc cB|GF EE|F>E- EC/B,/|B,3
w:With all his troops and all his men their minds were_ ful-ly bent
B,/B,/|E>F GE|C B,2 B,|EE F<E|B3
w:For to take the Rus-sian count-ry O they were full em-ployed
G/B/|cB cB|GF/E/- EG|FE CD|E3
w:But the Rus-sians fought a-gainst them and_ they soon did them des-troy
"^Chorus:"B,/B,/|EE FE|CB, B,E|EE FE|B3
w:For the war-like lads of Rus-sia O they fought all in one mind
B|cc/c/- cB|G/F/E- EG|F>E E2-|E3||
w:Made Bon-a-parte_ to run and leave_ his troops be-hind__