This is "Slow Ride" by Foghat
as heard on the "Dazed and Confused" Soundtrack
Chords:
577655
X57775
X35553
This song is not hard to play, at least the part I know.
Slow ride
take it easy
etc, etc
The "slap bass" part is just this:
G----------------------------------|
D----------------------------------|
A----------------3--1--------------|
E--5-5-5-5-5--5--------5-5--5------|
And so on.