Alfred's Interactive Musician Author:Morton Manus Sharpen your ability to recognize pitches by ear, and by their location on the piano keyboard. Practice identifying single notes, intervals, melodies (customize for up to 10 notes long), scales, or chords. Improve the speed of your sight-reading. Improve the accuracy of how you play rhythms, and practice notating the rhythms you hear. Choose the... more » instrument you want to hear, and customize rhythm, melody, or length options. All exercises technically can be played by using your computer keyboard or mouse, but some (especially sight-reading exercises) work much better if you connect a MIDI keyboard. REQUIREMENTS: Windows 98/ 2000/ ME/ NT/ XP *OR* Mac O.S. 9.x or higher, or O.S.X; Pentium II processor or higher (may run on Pentium) *OR* G3 processor or higher (may run on PowerPC 603); 64 MB RAM; 35 MB hard drive space; 640 x 480 (800 x 600 recommended) display, 16-bit *OR* Thousands of Colors; CD-ROM drive.« less