"I wish I sang better"

This quote by Warren Zevon reveals a desire to be much better at singing. It indicates that he is not satisfied with his existing singing capability and wishes he could do better. This could be translated as a sign of humility, as he is not content with his present level of ability and is striving to improve. It could also be seen as an indication of ambition, as he is not content to remain at his present level and is actively looking for to improve. This quote could also be interpreted as a sign of self-awareness, as he knows his own constraints and is actively attempting to conquer them. Eventually, this quote speaks to the value of pursuing improvement and not settling for mediocrity.