■ Long free demos you can sing or play along ( your performance will make the backing track "live"). Then purchase 3.00 euros (aprox. 4 USD) any currency, Paypal or CB.
■ Audio/stereo tracks, a secret mix between midi, audio and real recordings, realized according to the integral orchestral scores, with the greatest respect for works and composers.
■ A pleasure for you and your entourage, that also improves tempo/playing accuracy and tuning.