Congenial implies something matches a person's taste, so it can vary from person to person. While some find classical music congenial, others prefer rock.
Pro Tip 2/3
Emotional Tone
'Congenial' often conveys a warm, friendly feeling or environment that one enjoys. The dinner party was congenial, filled with good conversation and laughter.
Pro Tip 3/3
Personal Fit
Use 'congenial' when something fits well with a person's character or usual habits. He thrived in the congenial solitude of his personal study.