Expandafoam is a closed-cell polyethylene joint filler for use as an expansion joint filler in brick and blockwork, isolation joints and hinge joints where a readily compressible low load transfer joint filler is required.
The guitar is a fretted musical instrument that usually has six strings. The sound is projected either acoustically, using a hollow wooden or plastic and wood box, or through electrical amplifier and a speaker. It is typically played by strumming or plucking the strings with the fingers, thumb or fingernails of the right hand or with a pick while fretting the strings with the fingers of the left hand. The guitar is a type of chordophone, traditionally constructed from wood and strung with either
In guitar music, middle C (first ledger line below the staff) is the third fret of the A string. In real life, middle C on the guitar is on the first fret of the B string. The reason for this is so that guitar music can be written on a single staff instead of two (like piano music). A lot of instruments have similar issues. All Bb instruments are written a note higher than concert pitch.