Thanks for posting. SmartMusic does require an Internet connection for proper use, as stated on our System Requirements page. If you would like more information on how SmartMusic functions in an offline state and our expectations I would recommend contacting our Tech Support team. You can submit a support case by following this link, http://smartmusic.custhelp.com/app/.
These on-line forums are intended for the exchange of ideas among the users of MakeMusic products. If you'd like individual help from our technical support staff, please contact us directly at www.smartmusic.com/support.