Professional notation software for writing and editing musical scores with annual subscription license + support with Avid Upgrade Plan (upgrades for 12 months).This software has professional sound quality of 36 GB Sibelius Sounds libraries, 64bit architecture of software, transcription using Lite PhotoScore and AudioScore Lite, which are included in the package. Sotware includes ReWire feature to transmit nots to Pro Tools and other DAW software. Crossgrade version is designed for owners of competing notation software with lower price.