A short poem or other set of words set to music or meant to be sung.

Make musical sounds with the voice, especially words with a set tune.

Vocal or instrumental sounds (or both) combined in such a way as to produce beauty of form, harmony, and expression of emotion.

The basic unit of time. It’s a way that musicians count the notes being played to stay in synch with each other, and is often associated with the pulse that listeners tend to feel in the music.

Words that make up a song, usually consisting of verses and choruses.

The placement of sounds in time, generally considered as an ordered alternation of contrasting elements.

A poem set to music with a recurring pattern of both rhyme and meter.

A person who make musical sounds with the voice, especially words with a set tune.

A device created or adapted to make musical sounds. In principle, any object that produces sound.

A keyboard musical instrument having wire strings that sound when struck by felt-covered hammers operated from a keyboard.

The set of adjacent depressible levers or keys on a musical instrument which are pressed by the fingers.

A fretted musical instrument that typically has six strings. It is held flat against the player's body and played by strumming or plucking the strings with the dominant hand, while simultaneously pressing the strings against frets with the fingers of the opposite hand.

A percussion instrument sounded by striking a membrane stretched across the opening of a hollow cylinder or hemisphere.

A family of musical instruments in the woodwind group that produces its sound from the flow of air across an opening.

A closed two-dimensional plane figure with four sides equal measure.

A plane figure with four straight sides and four right angles, especially one with unequal adjacent side.

A closed two-dimensional shape. It is a three-sided polygon. All sides are made of straight lines. The point where two straight lines join is the vertex.

The set of all points in the plane that are a fixed distance (the radius) from a fixed point (the center).

A curve resembling a squashed circle without a precise mathematical definition sometimes have only a single axis of reflection symmetry (instead of two).

A flat closed shape having four straight sides, with one pair of parallel sides are known as the bases, and its non-parallel sides are called legs which can be horizontal, vertical or slanting.

The set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters.

A set of points in three-dimension, and all the points lying on the surface is equidistant from the center.

A distinctive three-dimensional geometric figure that has a flat surface and a curved surface, pointed towards the top. The pointed end of it is called the apex, whereas the flat surface is called the base.

A three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. It is the only regular hexahedron and is one of the five platonic solids.