Upgrades or renews an upgrade plan for any version of Sibelius Ultimate or Sibelius 8 (top tier of Sibelius) or earlier. This upgrades a perpetual license and delivers 1 or more years of upgrades, plus access to Sibelius Cloud Sharing, and unlocks features in Sibelius for Mobile, and includes support. Not applicable to customers with cut-down versions of Sibelius.