Before the era of software synthesizers midi-files were the Big Thing and together with the General Midi specification it became - uh - huge. Suddenly you could give a song on your friend and the sounds would sound pretty much the same. As everyone knows - although that the General Midi specification was a good idea - all sound cards and even external sound modules sounded pretty much rubbish. Even by the standard of that time. Damn it, even by the standards of today, built-in General Midi Sounds in sound cards sounds horrible. So for many users the word midi became synonymous with low quality.

Although not a new idea, midi files are seeing a renaissance, specifically when added together with sample libraries. Many developers of sample libraries are today not only selling their loops and sounds, but also the original files that were made to create the material. The idea is actually quite useful and is executed in a brilliant way in Trance Cosmos Elements Volume 3. So when 5Pin Media not only release a library with focus on midi files, but it's the third in a series - it's hard not to get interested.
Prog Tech Synths is a collection of mainly midi files, but also some samples. The basic structure is built around ten construction kits.