Question: Unforgettable Favorites featured songs from the country music singer inducted into the Rock Hall of Fame in what month and year?

Context paragraphs:
Unforgettable Favorites: Unforgettable Favorites (also known as Memories) was a satellite driven format distributed by ABC Radio Networks (through The Walt Disney Company).  "Unforgettable Favorites" was a middle-of-the-road station and featured music from The Carpenters, Neil Diamond, Carly Simon, James Taylor, The Bee Gees, The Beatles, Linda Ronstadt, The Beach Boys and many others.

Little Jimmy Dickens: James Cecil Dickens (December 19, 1920 – January 2, 2015), better known by his stage name, Little Jimmy Dickens, was an American country music singer and songwriter famous for his humorous novelty songs, his small size (4'11" [150 cm]), and his rhinestone-studded outfits (which he is given credit for introducing into country music live performances).  He started as a member of the Grand Ole Opry in 1948 and was inducted into the Country Music Hall of Fame in 1983.  Before his death he was the oldest living member of the Grand Ole Opry.

Iris (Iris album): Iris (also known as Iris I) is the first album by Romanian hard-rock group Iris and the first heavy-metal disc in Romania.  This album is considered one of the best of Romanian rock and it is a milestone for the rock music of the country.  All of the songs were inducted into Romanian rock hall of fame, including "Trenul fără naş" ("The Train without Its Master"), which is considered an anthem for Romanian rockers.

Ray Walker (singer): Ray Walker (born March 16, 1934) is a member of the singing group The Jordanaires.  Walker has been the bass singer for the group since 1958.  During his tenure with The Jordanaires, the group was inducted into the Country Music Hall of Fame, the NACMAI (North American Country Music Association International) Hall of Fame, the Gospel Music Hall of Fame, Rockabilly Hall of Fame, and the Vocal Group Hall of Fame.  Walker was also awarded the "Avalon Award," the highest award given for contribution and accomplishment by his "alma mater", David Lipscomb University, in 2005.

Billy Parker (singer): Billy Parker (born July 19, 1939 in Okemah, Oklahoma) is an American country music disc jockey and singer.  Parker was named Disc Jockey of the Year by the Country Music Association in 1974 and by the Academy of Country Music in 1975, 1977, 1978 and 1984.  He was inducted into the Country Music Disc Jockey Hall of Fame in 1992, the Western Swing Hall of Fame in 1993, and received the Oklahoma Association of Broadcasters' Lifetime Achievement Award in 1995.

Sonny James: James Hugh Loden (May 1, 1928February 22, 2016), known professionally as Sonny James, was an American country music singer and songwriter best known for his 1957 hit, "Young Love".  Dubbed the "Southern Gentleman" for his congenial manner, his greatest success came from ballads about the trials of love.  James had 72 country and pop charted releases from 1953 to 1983, including an unprecedented five-year streak of 16 straight Billboard #1 singles among his 26 #1 hits.  Twenty-one of his albums reached the country top ten from 1964 to 1976.  James was given a star on the Hollywood Walk of Fame in 1961 and co-hosted the first Country Music Association Awards Show in 1967.  He was inducted into the Country Music Hall of Fame in 2007.

Eddy Arnold: Richard Edward "Eddy" Arnold (May 15, 1918 – May 8, 2008) was an American country music singer who performed for six decades.  He was a Nashville sound (country/popular music) innovator of the late 1950s, and scored 147 songs on the "Billboard" country music charts, second only to George Jones.  He sold more than 85 million records.  A member of the Grand Ole Opry (beginning 1943) and the Country Music Hall of Fame (beginning 1966), Arnold ranked 22nd on Country Music Television's 2003 list of "The 40 Greatest Men of Country Music."

Conway Twitty: Conway Twitty (born Harold Lloyd Jenkins; September 1, 1933 – June 5, 1993) was an American country music singer.  He also had success in the rock and roll, rock, R&B, and pop genres.  From 1971 to 1976, Twitty received a string of Country Music Association awards for duets with Loretta Lynn.  Although never a member of the Grand Ole Opry, he was inducted into the Country Music Hall of Fame and the Rockabilly Hall of Fame.

Linda Ronstadt: Linda Maria Ronstadt (born July 15, 1946) is an American popular music and country music singer.  She has earned 11 Grammy Awards, three American Music Awards, two Academy of Country Music awards, an Emmy Award, and an ALMA Award, and many of her albums have been certified gold, platinum or multiplatinum in the United States and internationally.  She has also earned nominations for a Tony Award and a Golden Globe award.  She was inducted into the Rock and Roll Hall of Fame in April 2014.  On July 28, 2014, she was awarded the National Medal of Arts and Humanities.

Terry Carisse: Terrance Victor Carisse (July 11, 1942–May 22, 2005) known as Terry Carisse, was one of Canadian Country Music's most awarded, decorated and popular singer-songwriters.  His awards include the Canadian Country Music Association's Male Vocalist of the Year Award which he has won six times, and still holds this record.  He was nominated four times for a Juno Award.  In 1989 he was inducted into the Ottawa Valley Country Music Hall of Fame.  In 2006, Terry Carisse was inducted into the Canadian Country Music Hall of Fame.

Supporting paragraphs: Unforgettable Favorites Linda Ronstadt
Answer: April 2014