Special Notes:

• 　all string are 5 semitone apart except between string G3 and B3, which is only 4 semitone apart, which just because easy to finger press chords in that tune.
• ref: http://www.dontfret.com/how_to_use_it.html
• 
• 

Size

• size and shape and solid guide: https://musicalinstrumenthire.com/choosing-acoustic-guitar/
• ref: https://www.youtube.com/watch?v=VB1AbtDbtFI

Category

• ref:
  • https://www.youtube.com/watch?v=_b-fnU7Hd4c&t=17s

Guitar to Computer Connection with “Guitar Link” hardware

1. buy that cheap “Guitar link” hardware: https://www.amazon.com/Guitar-Interface-Computer-Recording-Adapter/dp/B0048F0QWA
2. Install latest “Guitar Rig 5 Player” or newer (a free guitar amplifier software) from here, and register a free serial number by a real email:
   • download link: https://www.native-instruments.com/en/products/komplete/guitar/guitar-rig-5-player/download/
3. install universal ASIO driver for the hardware
   • download link: http://www.asio4all.com/
4. Connect the guitar cable to the hardware, and connect hardware USB to computer
5. Configure Guitar Rig Player's audio in and out
   1. in “Audio and MIDI settings” panel
      1. driver : ASIO
      2. Device: ASIO4ALL v2, and click “ASIO config” button to setup the drive
         1. configure the ASIO driver in its own app window
            1. Switch on: “C-Media USB headphone Set” and its in and out
            2. Switch on your Headphone plugin audio device (in picture, HD audio device for my case)
      3. Rounting tab:
         1. Inputs: Guitar Rig 5 in L: 3: USB headphone set 1
         2. Inputs: Guitar Rig 5 in R: 4: USB headphone set 2
         3. Outputs: Guitar Rig 5 Out L: 9: HD Audio HDMI out 1 (for my case with my headphone plugin my monitor)
         4. Outputs: Guitar Rig 5 Out L: 10: HD Audio HDMI out 2

• super mario: http://www.youtube.com/watch?v=BPHKBSjgHek

• miku piano: http://www.youtube.com/watch?v=xBZOlipfjkQ&feature=related
• miku bass: http://www.youtube.com/watch?v=8Dar2UYZ1yw
• miku piano: http://www.youtube.com/watch?v=7mFHXQbIHoA&feature=related

• fur elise: http://www.youtube.com/user/fuzzymonkey777#p/a/u/2/95L_NAE6rtU

• 果木浪子的自频道: http://i.youku.com/u/UMjk3MjU3Njg

• Bossanovaguitar.com video lessons: https://www.youtube.com/@bossanovaguitar/playlists

• 陳老師古典吉他
  • https://www.youtube.com/watch?v=DDWADVRf52w&list=PLcbgvO_IyGMz6tiHJNoDEQZWSg1axwCED

• frequency table
• Acoustic guitar
• http://newt.phys.unsw.edu.au/music/guitar/virtual.html
• https://www.guitar-chord.org/chord-types.html
• https://www.guitar-chord.org/chart.html
• https://www.guitarscale.org/

• 　30 inch:
  • RP travelerguitar 30in (569): link
  • 卡雁乐器 28,32 inch: (400+): link
  • Yamaha GL-1 Guitalele (28in): https://www.youtube.com/watch?v=HCw47hOSgfY

• so, basically guitar spec rely heavily on wood type and wood cost
  • https://prosoundhq.com/how-much-acoustic-guitars-cost-with-30-examples/
  • https://www.soundunlimited.co.uk/blogs/articles/guitar_tone_woods
  • https://sixstringacoustic.com/what-is-the-best-wood-for-acoustic-guitars
  • https://myguitarfriend.com/guitar-tonewood
  • 鍛木Linden=Basswood, Spruce 云杉木, 沙比利木 Sapelli, 玫瑰木=紫檀木 Rosewood, 红杉 red cedar, 那都木 Netwood, 乌木 Ebony, 南洋木 Agathis, 胡桃木 Walnut, 岑木Ash, 桃花心木 Mahogany, 秋木 Catlpa wood, 相思木 koa, 樱桃木 CHERRY
• “having a solid-top should be the minimum requirement for anyone wanting a nicer acoustic and should be within everyone's budget.”
  • https://www.guitarscratchremover.com/blogs/news/acoustic-guitars-solid-vs-laminate-wood-differences
  • How to Choose and Buy Good Guitar Making Wood with Ben https://www.youtube.com/watch?v=4ymmeK5xikM
  • 实木vs板材(合板)
• rank (each tonewood also has internal ranking like A-AAAA)
  • top: cedar (warm,soft), spruce (bright, hard)
  • side+back: ebony > rosewood (bright), walnut > Mahogany > Nato > linden=basswood
    • ref:
    • https://faq.yamaha.com/usa/s/article/U0006493
    • https://www.woodworkingtrade.com/category/wood/
    • http://goodallguitars.com/woods/
    • https://blog.andertons.co.uk/learn/acoustic-guitar-tonewood-guide

• ref:
  • https://www.nylonplucks.com/product-review/yamahas-wide-range-in-classical-guitars-theres-one-for-you/
• GL1: guitalele, small than half size + 5th note higher (170+sgd)
• CGS102A: half size guitar (170+sgd): 1/2 School Classical Guitar
• CGS103A - 3/4 School Classical Guitar (180+sgd)
• CS40: 3/4 size (170+sgd)
• —-
• C series: (200-300) C40-80
• CG series: (300-650) CG122-192
  • CG171C: (460+) Year2000
• GC series: (1000-5000) GC12-42
  • GC22: 1400sgd
• —-
• acoustic: A/L/FG/FGX/APX
  • https://themusicambition.com/yamaha-acoustic-guitar/

• drybox
  • drybox.com.sg
• Repairing a Lifting Acoustic Guitar Bridge
  • https://m.youtube.com/watch?v=v8ltZ5v3Fqw
  • bridge lift up issue:
    • https://www.soft.com.sg/forum/showthread.php?196071-Is-it-common-for-Big-Baby-Taylor-s-bridge-to-lift-up
    • bridge remove process: https://m.youtube.com/watch?v=x1I9FdiI4lQ

• nylon string on accoustic guitar
  • https://rockguitaruniverse.com/use-nylon-strings-on-acoustic-guitar/
  • note: after tried, default string height for steel string is lower, and just put nylon string cause buzz as nylon string vibrate in wider distance as in action, may need to higher the action with nylon string.

• restring
  • electric guitar: https://www.youtube.com/watch?app=desktop&v=4CtqfHmssx8

• restring a tremolo bridge electric guitar
  • Floating Tremolo Setup in 10 Minutes: https://www.youtube.com/watch?app=desktop&v=TYcGmMJnX0M
  • ibanez edge zero bridge: https://www.youtube.com/watch?app=desktop&v=1DSYPb6aZac
  • 3 type of floating bridge: https://www.youtube.com/watch?app=desktop&v=OBw35LfrADk
  • How To Tune A Floyd Rose Style Tremolo Guitar:
    • https://www.youtube.com/watch?app=desktop&v=stFr-bGVDxg
    • notes: to tune a floating bridge,
      1. first rough tune all the string
      2. tightness adjust the back side string to balance bridge to flatten
      3. slight tune to perfect the front string, while slight adjust back screw to counter balance it
      4. so it is a back and front process