Karajan is a music and ear trainer for the iPhone (I totally stole that from the description in the Installer!). Anyway, this app is very detail and very well put together. What it does is play either an Intervals, Chords or Scales…based on the option you have selected at the top. Once it has played it…you then tap on the options on the screen that you think matches what it played. So, for example, if you are in Chords, after it has played the chord…you would tap on either Major, Minor, Augmented, Diminished or Suspended based on what chord you think it played. If you get it right you get a green thumbs up, if you get it wrong you get a red thumbs down (it shows you what the correct answer is by highlighting it green). It will also display, just below the upper menu bar, [Read more…]