The E minor chord is one of the simplest to play because you only use two fingers Take extra care not to allow either of them to touch any of the open strings, or the chord won't ring properly. Strum all six strings. In certain situations, it may make sense to reverse your finger position so that your second finger is on the fifth string, and your third finger is on the fourth string.
"With a note of music, one strikes the fundamental, and, in addition to the root note, other notes are generated: these are the harmonic series.... As one fundamental note contains within it other notes in the octave, two fundamentals produce a remarkable array of harmonics, and the number of possible combinations between all the notes increases phenomenally. With a triad, affairs stand a good chance of getting severely out of hand."

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.
Learn a D major. This chord only requires the bottom four strings. Place your index finger on the 3rd string, 2nd fret. Your ring finger then goes on the 2nd string, 3rd fret, and your middle finger is the 1st string, second fret. You'll form a little triangle shape. Only strum these three strings and the 4th string -- the open D -- to sound out the chord.
My personal opinion on the topic, as one musician to another, is that the best thing you can possibly do when trying to figure out which string to go with is to try out as many different brands and types of guitar strings as you can. Strings are cheap enough that most people are going to be able to afford to experiment, and the truth of the matter is that you’re probably not going to really know what works best for you until you have hands on experience.
Minor chords arise as the tonic notes of minor keys that share the same key signature with major keys. From the major key's I-ii-iii-IV-V-vi-viio progression, the "secondary" (minor) triads ii-iii-vi appear in the relative minor key's corresponding chord progression as i-iv-v (or i-iv-V or i-iv-V7): For example, from C's vi-ii-iii progression Am-Dm-Em, the chord Em is often played as E or E7 in a minor chord progression.[24] Among basic chords, the minor chords (D,E,A) are the tonic chords of the relative minors of the three major-keys (F,G,C):
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