https://www.musical-u.com/learn/how-to-learn-to-play-by-ear-with-brad-mavin-introduction/
Playing by ear is one of the key musical abilities which ear training can unlock.
Brad Mavin is a music teacher who really understands how to teach playing by ear in a practical, relatable way.
Click the link for the first in a series of video tutorials by Brad on how to play by ear.
https://www.musical-u.com/learn/how-to-learn-to-play-by-ear-with-brad-mavin-introduction/