Question: What type of music do Freddie Hart and Earl Poole Ball both write?

Context articles: Trip to Heaven
Jack Grayson
Easy Loving
Freddie Hart
Earl Poole Ball
My Hang-Up Is You
Bless Your Heart (song)
Got the All Overs for You (All Over Me)
Super Kind of Woman
Hugh X. Lewis

"Trip to Heaven" is a 1973 single by Freddie Hart and the Heartbeats.
 "Trip to Heaven" was Freddie Hart's sixth and final number one on the country chart.
 The single stayed at number one for a single week and spent a total of thirteen weeks on the country chart.
Jack Lebsock is an American country music artist, also known as Jack Grayson, "Blackjack" Jack Grayson and Jack Grayson and Blackjack.
 He recorded under various labels between 1973 and 1984, charting thirteen times on the "Billboard" Hot Country Singles (now Hot Country Songs) charts.
 Grayson's biggest chart hit is a No. 18-peaking cover of Percy Sledge's "When a Man Loves a Woman."
 Lebsock was also, in the 1970s, a writer for ABC Music Publishing, having written songs for Roy Clark.
 He also wrote three of Freddie Hart's singles: "Bless Your Heart", "Super Kind of Woman", and "The First Time".
"Easy Loving" is a song composed by country music singer-songwriter Freddie Hart.
 Released in the summer of 1971, it became Hart's breakthrough hit and a country music standard.
Frederick Segrest (born December 21, 1926), known professionally as Freddie Hart, is an American country musician and songwriter best known for his chart-topping country song and lone pop hit "Easy Loving," which won the Country Music Association Song of the Year award in 1971 and 1972.
Earl Poole Ball (Jr) (born March 12, 1941) is an American singer-songwriter, pianist, music producer and actor.
 His musical work spans the Ameripolitan, Country, Americana and Rockabilly genres.
 He has performed with many well known American musicians, including Buck Owens & The Buckaroos, Gram Parsons, Carl Perkins, Merle Haggard, Freddie Hart, Marty Stuart, Phil Ochs, Michael Nesmith, Marty Robbins, Wynn Stewart, The Flying Burrito Brothers and The Byrds.
 He is best known for his 20 years spent touring and recording with Johnny Cash.
 (1977-1997)
"My Hang-Up Is You" is a 1972 single by Freddie Hart and the Heartbeats.
 "My Hang-Up Is You" was Hart's second number one on the U.S. country singles chart.
 The single stayed at number one for six weeks and spent a total of eighteen weeks on the chart.
"Bless Your Heart" is a song made famous by country music singer Freddie Hart, and was the title track to Hart's 1972 album.
 The song was his third No. 1 song on the country chart.
"Got the All Overs For You (All Over Me)' is a 1972 single by Freddie Hart and the Heartbeats.
 "Got the All Overs For You (All Over Me)" was Freddie Hart's fourth number one on the country chart.
 The single stayed at number one for three weeks at and spent a total of sixteen weeks on the country chart.
"Super Kind of Woman" is a 1973 single by Freddie Hart and the Heartbeats.
 "Super Kind of Woman" was Freddie Hart's fifth number one on the country charts.
 The single stayed at number one for a single week and spent twelve weeks on the country chart.
Hubert Brad Lewis (born December 25, 1930 in Yeaddiss, Kentucky), known professionally as Hugh X. Lewis, is an American country music singer-songwriter-poet.
 In 2006, the State of Tennessee Senate and House designated Col. Hugh X. Lewis as the Poet Laureate of Christian-Country Music.
 He recorded between 1964 and currently for various labels, and charted fifteen singles on the Hot Country Songs charts.
 Lewis's debut single, "What I Need Most", peaked at number 21 on this chart.
 Lewis also wrote Stonewall Jackson's biggest hit, "B.J. the D.J.," and 11 other songs for Stonewall.
 He also wrote songs for many other country artists - Charlie Pride, Little Jimmy Dickens, Carl and Pearl Butler,Carl Smith, Freddie Hart, Kitty Wells, Lynn Anderson, Del Reeves, Billy Ed Wheeler, Mac Wiseman, Leon Mc Caluff and the original Texas Playboys, George Morgan, Tommy Cash, Ray Pillow, Hank Mills, Bobby Goldsboro, Bob Luman and many others.
 Stonewall Jackson's number one single "B.J. the D.J."