A long, long time ago, there was a song that changed the scope of music at the time. A song that represented a dark day in music, the day the music died. “American Pie” by Don McLean has become a staple in American music history. Now, the singer of that song has spoken up and let everyone know he sees something concerning in Taylor Swift‘s future. “American Pie” Singer Don McLean Is Extremely Worried About Taylor Swift’s Mental Health: Here’s WhyIn an exclusive interview with The Standard UK, McLean made some statements that might surprise some. First off, the “American Pie” singer is a huge f…