No, there is no merge-feature.
Instead you can move the two tracks so they are next to each other, and then you can cut and paste the individual blocks from one to the other, when you are done, delete one of the tracks.
Besides that, since you are new in Forum
Welcome Azr Ayala!
Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
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If you like to introduce yourself, to the community, go here:
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