Electronic music on hand portable and communication enabled devices

A portable electronic device having a screen and a numeric keypad for a user, the device comprising:

• a sound card for processing sound signals to produce audible musical tones at an audible output of said device;
• a musical module, associated with said sound card, for electronically synthesizing musical instruments;
• and
• a user interface for interfacing said musical module to the user via said screen and said numeric keypad, said user interface being configured to set a user play mode in which user input at said numeric keypad is played as audio output via said sound card,
• wherein the musical module, in a play and record mode, musically synchronizes audio output corresponding to said user input at said numeric keypad and a selected music file using musical parameters of said selected music file for an automatic fit between said user input and said selected music file, and simultaneously plays and records said synchronized audio output and said selected music file.