Simplify the following text for a Grade 7 native English-speaking person.
Original: `` I Decided '' is a song by American singer Solange Knowles , written and composed by Knowles and producer Pharrell Williams for her second studio album Sol-Angel and the Hadley St. Dreams ( 2008 ) .
Simplified: `` I Decided '' is the first single released by Solange Knowles from her album Sol-Angel and the Hadley St. Dreams .