Question: In which genre of music are Ely Buendia and Randy Owen both lead singers, or vocalists?

Context paragraphs:
Randy Owen: Randy Yeuell Owen (born December 13, 1949) is an American country music artist.  He is best known for his role as the lead singer of Alabama, a country rock band which saw tremendous mainstream success throughout the 1980s and 1990s.  Alabama became, undoubtedly, the most successful band in the history of country music, releasing over 20 gold and platinum records, dozens of #1-ranked singles, and selling over 75 million records during their career.  Although Alabama currently only records new albums on occasion, Owen himself has maintained a career in country music as a solo performer.  He released his solo debut "One on One" in late 2008 and charted two singles from it.

Please Transpose: Please Transpose EP is the final release and promotional seven-track EP plus 1-track of their only music Video "You Make Me" by the now-defunct Filipino pop-rock band The Eraserheads.  In this EP, the name of the band was shortened to ""Eheads"".  This is the only release of the band after the departure of their former vocalist Ely Buendia and features a female vocalist replacement, Kris Gorra-Dancel (from the band Fatal Posporos).  The EP was independently issued in 2002 in CD-R format only.

Carbon Stereoxide: Carbon Stereoxide is the Eraserheads' seventh and final studio album.  It featured a theme darker than previous albums.  Released in March 2001 by Sony BMG Music Philippines, Inc. (Formerly BMG Records Pilipinas, Inc.), it was to be the last album featuring Ely Buendia as the band's lead singer.  It contains 18 tracks and was released in both CD and cassette formats came with a free VCD featuring the making of the "Maskara" video, behind-the-scenes footage and interviews.

One on One (Randy Owen album): One on One is the only solo studio album from former Alabama lead singer Randy Owen.  The album was released on Broken Bow Records on November 4, 2008.  The album has produced two charted singles on the Hot Country Songs chart.  The first of these, "Braid My Hair", reached number 45 in mid-2008 under the promotion of DMP Records.  "Like I Never Broke Her Heart", the second single, debuted in late 2008 and peaked at 41.  "Holding Everything", a duet with fiddler Megan Mullins, was the third and final single, although it did not chart.  John Rich of Big & Rich produced the album.  This album would become Randy Owen's only solo album to be recorded under his name until he rejoined and reunited with his bandmates to reform Alabama in 2010.

Magasin (Eraserheads song): Magasin (English: "Magazine") is a song by the Pinoy rock band, Eraserheads, from their 1994 album "Circus".  It was written by Ely Buendia, and was the band's second hit single from the album.  No music video was made for the song.

Ely Buendia: Eleandre "Ely" Basiño Buendia (born November 2, 1970) is a Filipino musician, writer and director who gained fame as guitarist, songwriter and lead vocalist of the popular Filipino rock band Eraserheads.  His compositions gained success and critical acclaim, topping various music charts, and are now considered classics.  Widely regarded as one of the most respected music icons in the country, he currently performs as guitarist and lead vocalist for Pupil, The Oktaves and Apartel.

Beautiful Machines: Beautiful Machines (2005) is the debut album of the Pinoy rock band, Pupil.  It was released on November 10, 2005 under Sony BMG, the same music company that publishes the Eraserheads' music.  The band itself describes their music as "dark, loud, and romantic."  It is very guitar-driven, stripped down, and the album has a very distinct sound, considering that it is the band's debut album.  The album was recorded digitally at Wombworks in Marikina.  “We didn’t use amps at all,” says frontman Ely Buendia.  The band had its official Album Launch Party on January 31, 2006 at the Mugen Bar Metrowalk.  The band also mentioned in an interview with Animax, that the album was greatly influenced by sci-fi.

The Oktaves: The Oktaves is a Filipino rock supergroup formed in 2011 consisting of Ely Buendia (of Eraserheads, Pupil, and The Mongols), Nitoy Adriano (of The Jerks), and Hilera members Chris Padilla, Ivan Garcia, and Bobby Padilla.  The band was named after the music term "Octave", which is the interval between one musical pitch and another with half or double its frequency.  This principle also mirrors the age and experience of its band members spread through three decades of Filipino music, whereas Adriano began during the 1970s, while Buendia began during the 1980s, and the rest of the younger band members began during the 1990s.  Buendia also collaborated with The Jerks and Hilera on different independent projects, which also prompted him to form the band.

Eraserheads: Eraserheads (sometimes stylized as ERASƎRHEADS) is a Filipino rock band formed in 1989.  Consisting of Ely Buendia, Marcus Adoro, Buddy Zabala, and Raimund Marasigan, the band became one of the most successful, most influential, critically acclaimed, and significant bands in the history of Philippine music, leaving a legacy that resulted to them being the most commercially successful Filipino music artists of all time.  Often dubbed as "The Beatles of the Philippines", they are credited for spearheading a second wave of Manila band invasions, paving the way for a host of Philippine alternative rock bands.

Pupil (band): Pupil is a Filipino rock band composed of Ely Buendia on lead vocals and guitars, Dok Sergio on bass, Wendell Garcia on drums and Jerome Velasco on lead guitar.

Supporting paragraphs: Ely Buendia Randy Owen
Answer: rock