What are the songs they play during credits to Metal Gear Solid 4

The songs played during the end credits of Metal Gear Solid 4: Guns of the Patriots are Here's to You, as performed by Lisbeth Scott, and originally written by Joan Baez and Ennio Morricone in 1971, and Metal Gear Saga, a remix of the Metal Gear Solid theme done by Harry Gregson-Williams.