The main purpose of the bridge on an acoustic guitar is to transfer the vibration from the strings to the soundboard, which vibrates the air inside of the guitar, thereby amplifying the sound produced by the strings. On all electric, acoustic and original guitars, the bridge holds the strings in place on the body. There are many varied bridge designs. There may be some mechanism for raising or lowering the bridge saddles to adjust the distance between the strings and the fretboard (action), or fine-tuning the intonation of the instrument. Some are spring-loaded and feature a "whammy bar", a removable arm that lets the player modulate the pitch by changing the tension on the strings. The whammy bar is sometimes also called a "tremolo bar". (The effect of rapidly changing pitch is properly called "vibrato". See Tremolo for further discussion of this term.) Some bridges also allow for alternate tunings at the touch of a button.
If you're a fan of the Grateful Dead, check out the D'Angelico Premier Series DC Grateful Dead Semi-Hollow Electric Guitar. In the acoustic department, the Alvarez Artist Series AD60 dreadnought acoustic guitar comes highly rated, thanks to its hand-selected spruce top, mahogany back and sides, and powerful tone. Singer-songwriters and fans of acoustic-driven music must check out the latest Ed Sheeran Martin guitar, the comfortable, easy-to-play Divide Signature Edition Little Martin acoustic-electric.
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After teaching guitar and music theory to thousands of students over past three decades, I thought that I had basically 'seen it all' when it comes to guitar instruction. Then I discovered Justin’s website, and man was I impressed! Justin’s caring spirit, attention to detail, vast knowledge base, and especially his lucid, laidback and nurturing style, allow students to fall in love with the learning process. You see, it’s not enough to simply find out how to play a few cool licks or chords. A truly great teacher will make you fall in love with the process of discovery so that you can unlock the best within you. Justin is one of these great teachers, and I highly recommend to anyone who wants to tap into their best selves.
The top, back and ribs of an acoustic guitar body are very thin (1–2 mm), so a flexible piece of wood called lining is glued into the corners where the rib meets the top and back. This interior reinforcement provides 5 to 20 mm of solid gluing area for these corner joints. Solid linings are often used in classical guitars, while kerfed lining is most often found in steel string acoustics. Kerfed lining is also called kerfing because it is scored, or "kerfed"(incompletely sawn through), to allow it to bend with the shape of the rib). During final construction, a small section of the outside corners is carved or routed out and filled with binding material on the outside corners and decorative strips of material next to the binding, which are called purfling. This binding serves to seal off the end grain of the top and back. Purfling can also appear on the back of an acoustic guitar, marking the edge joints of the two or three sections of the back. Binding and purfling materials are generally made of either wood or plastic.
SFCM produces some of the most successful and influential classical guitarists in the world. Spearheaded by renowned faculty and complemented by visiting artists such as Marcin Dylla, the department honors the tradition of the classical guitar while cultivating innovation. The Harris Guitar Collection, housed at SFCM, gives students a chance to see—and play—some of the most extraordinary guitars of the last two centuries.