GoSing is a full featured karaoke player. Compatible with the KAR, MID and MK1 file formats, the program can also directly open standard ZIP-compressed files containing karaoke music without the need for any external helper application. You can change the KEY, TEMPO and several other features using an exclusive ERK system (Easy to Remember Keystrokes). Also exclusive is the ‘traffic light’ system will let you know exactly when to sing each phrase. Several installation options can be instantaneously configured via the control menu.