I Think We're Alone Now was covered by a singer named Tiffany in 1987 http://youtu.be/w6Q3mHyzn78 Doesn't compare to the original.
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"But now old friends are acting strange,
they shake their heads, they say I've changed.
Something's lost but something's gained in living every day
....it's life's illusions I recall, I really don't know life at all. "
Joni Mitchell