Stratus cloud a region. Some call these clouds "high fog" for the fog-like cloud. While light rain may fall, this cloud does not indicate much meteorological activity. Stratus clouds form when a sheet of warm, moist air lifts off the ground and depressurizes, following the lapse rate. This causes the relative humidity to increase due to the adiabatic cooling. Stratus clouds look like featureless gray to white sheets of cloud. They can be composed of water droplets, supercooled water droplets, or ice crystals depending upon the ambient temperature. Stratus nebulosus clouds appear as a featureless or nebulous veil or layer of stratus
Sheet music the band to play together. Many guitar players and electric bass players learn songs and note tunes using tablature, which is a graphic representation of which frets and strings the performer should play. "Tab" is widely used by rock music and heavy metal guitarists. Singers in many popular music styles learn a song using only a lyrics sheet, learning the melody "by ear" from the recording. Sheet music can be used as a record of, a guide to, or a means to perform, a song or piece of music. Sheet music enables instrumental performers who are able to read music