Steven Tyler may be the world-famous lead singer of Aerosmith, but that doesn't mean he actually knows the words to any Aerosmith songs, a fact that two women found out the hard way when he joined them for an impromtu street performance in Lithuania.

Steven Tyler may be the world-famous lead singer of Aerosmith, but that doesn't mean he actually knows the words to any Aerosmith songs, a fact that two women found out the hard way when he joined them for an impromtu street performance in Lithuania.

The women, who were trying to play an acoustic version of the Aerosmith's 1994 hit "Crazy," were surprised by Steven Tyler, who happened upon them and tried to sing along. But instead of coming together, the performance was punctuated by a whole lot of awkward silence, wolfman howls, and the scratchy shrieks of Steven Tyler doing a horrible impression of Steven Tyler.