The crossword solution for the term 'Singer with a Wide Range' is WREN, which is a four-letter word. WREN is the stage name of Wrenn Schmidt, an American singer and actress. She is known for her wide vocal range and has released several albums, including her debut album 'The Way I See It'. She has also performed in various musicals and plays, and has appeared in television shows such as 'Boardwalk Empire' and 'The Americans'.