This present invention relates to a stringed musical instrument with an integrated touch video screen allowing a user to play the instrument while singing along with a variety of pre-recorded songs. The video screen displays the words and other information of a user selected song. More specifically, the stringed musical instrument has built in karaoke components and the strings of the instrument can be strummed by the user to play a melody, or the user may mimic playing the instrument strings, wherein the sounds emitted from the strings can be muted.

Sound equipment includes: a beat position acquiring unit configured to analyze a beat position of music piece data to be reproduced or acquire an analysis result; and a beat position displaying unit configured to display a scale of a differential numerical value of the number of beats in a plus direction and a minus direction of the music piece data with reference to a currently reproduced position of the music piece data.

Sound equipment includes: a beat position acquiring unit configured to analyze a beat position of music piece data to be reproduced or acquire an analysis result; and a beat position displaying unit configured to display a scale of a differential numerical value of the number of beats in a plus direction and a minus direction of the music piece data with reference to a currently reproduced position of the music piece data.

An isolated guitar string audio capture and visual string indication and chord-finger number overlay process and system that provides a visual way to show what strings are being pressed and played during a guitar instruction video is disclosed. The isolated guitar string audio capture and visual string indication and chord-finger number overlay process and system visibly shows the student what strings are being pressed and played in a given chord by the guitar instructor in the video, all from one camera angle.