No, you don't need any background in music theory to start learning guitar. However, it may be helpful to learn some basic music theory concepts as you progress in your guitar playing. Understanding music theory can help you understand chord progressions, scales, and how to play different styles of music.

When it comes to choosing a guitar, it's important to consider your budget, musical goals, and the type of music you want to play. Acoustic guitars are generally a good choice for beginners, as they are affordable and versatile. You may also want to consider purchasing an electric guitar if you are interested in playing rock, blues, or other styles of music that require an electric sound.

Here are some tips on choosing a guitar for beginners:

 - Consider purchasing a guitar starter kit that includes a guitar, case, and accessories.
 - Look for a guitar with a comfortable neck and low action (the distance between the strings and the fretboard).
 - Choose a guitar with a solid top (for acoustic guitars) or a solid body (for electric guitars) for better sound quality.
 - Try out different types of guitars before making a purchase, if possible.

Remember that the most important factor is finding a guitar that you enjoy playing and that inspires you to practice and improve. Good luck on your guitar-playing journey!
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