You can display lyrics side by side on any laptop using most word processors--it's called colums! The best method of using them is to make the right and left margins as small as possible so you can use all of the screen.

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)