Musicians will find that RA has an amazing sound quality and they'll marvel at the articulation of each instrument which has a wide range that goes from controlled to expressive. Quantum Leap RA provides composers with access to a variety of rare and unique instruments from Africa, Europe, India, the Americas and Australia, the Far East, and the Middle East and Turkish Empires. The instruments featured in the PLAY Editions are newly-programmed for PLAY from the original recordings.Stereo image editing is now possible using channel sourcing.Hi-fidelity one pole filter for natural cross-fades.Improved sound quality with high-resolution audio engine.State-of-the-art convolution reverb with pre-delay.Offers improved articulation window and controls.Intelligent performance section including portamento, repetition, legato.64-bit (for 32-bit compatibility, please use PLAY 4).In addition to PLAY's intuitive custom interface, Quantum Leap RA - PLAY Edition includes many other features, such as: Quantum Leap - RA - PLAY Edition, THE DEFINITIVE RARE AND ETHNIC VIRTUAL INSTRUMENT now available with the advanced featuers of PLAY Please read the documentation for more information and support details. For the benefit of all, EW/QL user Jonathan Loving has created a Sound Set for using Quantum Leap RA within Sibelius 5 and Sibelius 6.