Ignore all that, sit down with your guitar and start picking out simple melodies by ear, note by note. Begin with "Happy Birthday" or the alphabet song. That's

Ignore all that, sit down with your guitar and start picking out simple melodies by ear, note by note. Begin with "Happy Birthday" or the alphabet song. That's hard and scary, but you'll make more progress in a week than you did in your whole life. Most importantly you'll defeat your fear of music.