Roger "Professor Beautiful" Day of Squirrel Hill plays his double B flat tuba outside of the Frick Environmental Center in his neighborhood of Squirrel Hill on Wednesday. "It's been with me for 47 years," said Day of his tuba, which he takes on "tuba walks" to play in the park. "I like it because you can do a lot of stuff with it that you can't imagine." (Photo by Stephanie Strasburg/Post-Gazette) #Pittsburgh #PGH #412 #tuba #squirrelhill #music #FrickPark #PGPhotos