SympleSound comes around with a special sample collection, called FM Collection: Loop Pack, which will be offered for free.
„The FM Collection Loop Pack is a free library of 30 royalty-free .WAV audio loops based on the MIDI clips included with the DX, 81Z and Operator libraries. Test drive these sounds in your tracks before buying the libraries – or use them as inspiration for your own productions and experience the sound of countless hits with any DAW.
The FM Collection Loop Pack includes loops from:
DX – The Yamaha DX7 Library
81Z – The Yamaha TX81Z Library
Operator – The Ableton Operator Library“