<human>: What are the different types of acoustic guitars and what are their differences?
<bot>: 
1. Classical guitar: This type of guitar is designed to produce a wide range of sounds, from soft and mellow to bright and jangly.
2. Jazz guitar: Jazz guitars typically have a thicker soundboard than classical guitars and tend to produce more focused notes.
3. Flamenco guitar: Flamenco guitars are characterized by their deep-sounding body shape and intricate fingerstyle playing techniques.
4. Bass guitar: Bass guitars are traditionally tuned lower than other acoustic guitars and are designed for playing chords in combination with other instruments.
5. Ukulele: The ukulele is an extremely popular instrument that produces a unique sound due to its four strings and small size.