Reverse dependencies for midiator

Latest version of the following gems require midiator

Gem	Version	Date	Downloads
rubygems-sing +18 Thousand Downloads	`1.2.1` March 31, 2010	March 31, 2010	18 Thousand
stretto +5.01 Thousand Downloads	`0.6.1` March 20, 2011	March 20, 2011	5.01 Thousand
ruck-midi +4.95 Thousand Downloads	`0.2.0` July 10, 2010	July 10, 2010	4.95 Thousand
teejayvanslyke-clef +3.83 Thousand Downloads	`0.0.0` August 10, 2014	August 10, 2014	3.83 Thousand