Here are some very easy backing tracks for you. It’s just an acoustic guitar with the chords strummed in a very basic way to allow a wide range of interpretation.
There is a short count in played on a single string (not spoken).
They are mostly under two minutes long. This is long enough because you should stop and listen back to what you’ve done after a couple of minutes.
Most solos are only 8,12 or 16 bars long so at the most about a minute in length.