Mint-made errors are called "type-2 blanks (or planchets)" after an upending mill adds uniform, rounded rims. Type-2 blanks may also be considered striking errors as they are prepared correctly, but are released without having been struck. A misfeed can occur when the metal strip is fed through the blanking machine. The punches sometimes overlap the leading edge of the metal producing a straight clip. Sometimes, the punches strike an area of the strip which overlaps the hole left by the previous strike producing a curved clip. Sometimes punches strike the irregular trailing edge of the metal strip producing irregular clips. Coins are
Neoclassical metal Horizon, Concerto Moon, Pier Gonella, Adagio, Dark Moor, Artension and Stratovarius. A common practice in the genre is to transcribe classical pieces and play them in a rock/metal band format. The Baroque and Classical periods have been particularly influential to the genre because of their unique sound and techniques that blend into a rock setting effectively. Although neoclassical metal differs in theory and structure than neoclassical orchestral music, there are distinct styles and progressions that make a metal piece neoclassical. The complexity of keys and scales make playing neoclassical metal difficult without a strong foundation in music theory. In contrast