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.
Accordion: The two-row diatonic button accordion, usually tuned C#/D or B/C, is a very common melodic instrument in contemporary traditional Irish music, and has been since the 1940s (before that, the 10-key melodeon, similar to the squeezebox used in traditional Cajun music, reigned supreme for around 50 years, and before that, the accordion hadn't ...