Here are 14 other famous singers, songwriters, and performers who've reached musical heights with challenges like dyslexia, ADHD, and dyscalculia.Adam Levine, ADHD. ... Carly Simon, dyslexia.Chris Robinson, dyslexia. ... Solange Knowles, ADHD. ... Eddie Argos, dyspraxia. ... Jewel, dyslexia. ... Joe Perry and Steven Tyler, ADHD.