You can apply cross-fading between previous and next Tracks.
Cross-fading can be configured in the Cue Inspector below.

Cross-fading Setting Properties in Track Transition Type Cue

Name	Value Range	Description
Curve Type	Linear, Slow Change, Fast Change, S Curve, Inverted S Curve	The curve type used for the fade.
Fade-in Time	0 - 60000	The fade-in time (msec).
Fade-out Time	0 - 60000	The fade-out time (msec).
Fade-in Offset Time	-30000 - 30000	The fade-in start offset time (msec).
Fade-out Offset Time	-30000 - 30000	The fade-out start offset time (msec).

[Additional information] Crackling noises may occur if a fade is very short (about 1 to 50 msec). In this case, it is recommended that you use an envelope attack instead.