It makes perfect sense to conclude that the acoustic blues is the blues played on an acoustic guitar. Would you like to learn how to play the blues guitar? Blues is not just a style of music, it is a state of mind.
Blues combines improvisation and accompaniment, and of course, much more. No wonder the following statement appeared: "If you want to know if a person can play, ask him to play the blues." Most likely, beginners will be pleasantly surprised to learn that almost all blues songs are played on the same three chords. And their sequence does not change much, undergoing minor deviations. Chorus, as they say, what I see is what I sing. If you've never improvised, it doesn't matter. This is not as difficult as it seems at first glance.
The first thing you should do is learn the A minor pentatonic scale. it is a scale of only five sounds. This technique is very often used in blues playing. The pentatonic scale in A minor is played from the 5th fret of the 6th string to the 5th fret of the 1st string. You just need to memorize the sequence of the sounds on the fretboard. Once you've played it and memorized it, you're ready to start improvising. Try not to think about what and how to play. Improvisation is a completely spontaneous process. As the hand lies down, play it. turn off consciousness control. Start by improvising to the accompaniment. Just play in the tune you learned. That is, in A minor.
Accompaniment - musical accompaniment. You can play it alone or improvise to it. For example, you can use the following accompaniment to improvise in A minor pentatonic scale. Play the first two measures with an A fifth chord, then play one measure with a D fifth chord and return to A again. Continue E and D one measure at a time and return to A again. This is the most common chord progression in blues playing. You can come up with your own chord progression and repeat it throughout the game.
If you can play the guitar even a little, that's enough to get you started playing the blues. And pretty good blues too!