Cameroon drop duo for Italy friendly
Le Guen also left out Andre Bikey, Aurelien Chedjou, Paul Alo'o Efoulou, Guy Roland Ndy Assembe and Gilles Augustin Binya.
Cameroon reached the quarter-finals of the African Nations Cup last month but after a 3-1 defeat by eventual winners Egypt Le Guen said some of his players had underachieved at the Angola tournament.
The 34-year-old Song played in a record eighth Nations Cup for Cameroon.
Le Guen recalled defenders Benoit Assou-Ekotto and Sebastien Bassong missed the Nations Cup through injury.
Cameroon play Italy in Monaco on March 3 as part of their World Cup preparations.
They have been drawn in Group E along with Netherlands, Denmark and Japan.