Riff: e
      B
      G 7--8--7              5--6--5           5--6--5
      D            8                     6                  6         3  3--3--5--7--8
      A                3                     1                 1--3
      E

Chords (Chorus): C Bb

For the solo, use both Bb major and minor, natural and pentatonic are best.  If you listen to the song,
in the beginning of the solo, it starts out in slow major, and suddenly goes to a quickly ascending then
descending minor.