On the subject of stolen riffs –

There are only 8 notes give or take some #&flats so it’s difficult not to do what someone else has already done. Listen to these 3 songs…… 
https://youtu.be/PkulcvRkd4I 
https://youtu.be/rZXhZ6Wejqc 
https://youtu.be/TPjKZkg1Ohk 
🤔🙏🎸🎶