Financial ratios are relationships determined from a company's financial information and used for comparison purposes. Examples include such often referred to measures as return on investment (ROI), return on assets (ROA), and debt-to-equity, to name just three.
Tremolo harmonica. Tremolo harmonicas are a type of harmonica, distinct by having two reeds per note. In a tremolo harmonica the two reeds are tuned slightly off a reference pitch, one slightly sharp and the other slightly flat. This gives a unique wavering or warbling sound created by the two reeds being not exactly in tune with each other and difference in their subsequent waveforms acting against one another.
Klarino is what the Greeks call the Greek clarinet, and it is the most popular lead melody instrument in the mainland regions of Greece. It is an Albert (or simple) system clarinet which is an older, more primitive version of the clarinet now common in classical and popular music in most of Europe and America.he Santouri is a type of hammered dulcimer. It probably evolved from harp-like instruments such as the lyra of the ancient Greeks. It is a form of the psalterion of Byzantine times, and some ethnomusicologists attribute the name, santouri, to the word psalterion.