These riffs all whipped me into shape as a keyboard player, and composer in the mid 80s, all in a different way.
https://www.youtube.com/watch?v=L_Kk32lWiJY
and
https://www.youtube.com/watch?v=fvBhnXKGz_Q
and
https://www.youtube.com/watch?v=olJWup_dvHg
and plus