Uranus and Neptune are made primarily of hydrogen compounds, with smaller traces of hydrogen, helium, metal and rock. The most common hydrogen compounds are methane (CH4), ammonia (NH3), and water (H2O). The farther away a planet is from the Sun, the cooler its atmosphere will be.
Musical.ly is a popular app for creating 15-second music videos. How it works is kids select snippets of popular songs and record themselves singing, lip-syncing or dancing. Some kids skip the music and perform 15-second comedy skits.
Copyright Registration. of Musical Compositions. and Sound Recordings. This circular explains the difference, for copyright purposes, between musical. compositions and sound recordings. A musical composition consists of music, including any accompanying words, and is normally registered as a work of the performing arts. The author of a. musical composition is generally the composer, and the lyricist, if any.