Here's a pretty 'simple' one allowing you to do more after dropping out the lead ...
http://midi-disco.chat.ru/disco-midi/index1.html

A little more 'rhythm' in this one ...
http://www.mightymidi.com/songs2.html

but this one might be closer to the original ...
http://en.midipedia.net/midi_files.php?midi=Barry_Manilow_-_Copacabana.mid&folder=Barry_Manilow