The term 'Sing Like Mason Ramsey' refers to the singing style of Mason Ramsey, an 11-year-old American singer and yodeler from Golconda, Illinois. The crossword solution for this term is 'YODEL', which is a type of singing that involves rapidly changing between the chest voice and the head voice in a melodic pattern. Yodeling is often associated with country music, and Mason Ramsey is known for his unique yodeling style.