This is a jam using the Dorian mode as colour notes in an otherwise basic pentatonic melody. The dorian notes used in the root form of the Am pentatonic scale are: f# on 4th string and f# on second string. Adding these notes is a great way to break out of pentatonic melodic ruts!
The backing track credit goes to:
https://www.youtube.com/watch?v=yuH1Av9_2n8