[AU72]

Another hit all instrumental in mid-68 was Grazing in the Grass by Hugh Masekela.

[AppyPappy]

It’s a gas. Can you dig it?

[Moonman62]

Another hit all instrumental in mid-68 was Grazing in the Grass by Hugh Masekela.

...

So that’s the name of that song, and it has lots of cowbell, which makes sense considering the title.