S.d.

In addition to standard definition (SD) audio, some tracks in the Amazon Music catalog are available in high-definition (HD) and ultra-high-definition (UHD) lossless formats.

turn If you're reading music and you see a sort of squiggly line that looks like a sideways 'S' above a note, that's a sign to insert a sort of ornamentation known as a turn. A turn is a unique embellishment that adds a bit of dissonance by playing with the tone on the page, which we'll call the core note.

optional Understanding the construction of the Orchestration Value:

Undersigned The word SD means “Signed” or “Undersigned”. Usually seen on official documents, the SD is the signature of the person who has attested that particular document(s). SD written at the end of letter means signed or undersigned.

“SD” stands for “standard definition,” and “HD” stands for “high definition.” HD and SD are measurements of video quality in terms of pixels. The pixels in a video image are the individual digital dots that comprise the video.

Sforzando Accent Sforzando is a type of accent. It means to make the note strong, very suddenly. We can imagine this as a kind of exclamation mark on this note. It is marked with sfz on sheet music.

pianissimo

Dynamic marking and meaning

basso continuo General Abbreviations

Standard deviation, a mathematical statistical measure.

Secure Digital, officially abbreviated as SD, is a proprietary, non-volatile, flash memory card format the SD Association (SDA) developed for use in portable devices. Secure Digital. (SD, SDHC, SDXC, SDUC) From top to bottom: SD, miniSD, microSD. Media type.

standard deviation. : also sd. Webster's New World College Dictionary, 4th Edition.