Does anyone know the name of the following songs...

The one at 0:00 here: https://www.youtube.com/watch?v=MkWsQuMGbUs

The one at 7:07 here: https://www.youtube.com/watch?v=MkWsQuMGbUs

The one at 15:00 here: https://www.youtube.com/watch?v=cpPJCxNfnng

I love this music and so would love to know the name of it - thanks in advance!