Christopher Cross, author of "Sailing," has filed for divorce after nearly 19 years of marriage.
Cross, 55, and his wife, Jan, separated Feb. 11.
He cited irreconcilable differences in a divorce petition filed Thursday in Los Angeles County Superior Court.
The singer is seeking custody of the couple's 17-year-old son, Christopher, and 15-year-old daughter, Madison.
The Grammy winner co-wrote and sang "Arthur's Theme (Best That You Can Do)" for the 1981 romantic comedy starring Dudley Moore. It won the Oscar for best original song.
The behavior of the Russian inspector satellite, which was launched in the autumn of 2017, puzzles military officials in the United States
When the bill was submitted to Congress on August 2, the reason for imposing the new sanctions on Russia was based on Russia's alleged interference in the US presidential election in 2016, but then something clicked