Title: One of These Nights (Eagles song)
Content:  "One of These Nights" is a song written by Don Henley and Glenn Frey and recorded by the American rock band Eagles. The title track from their One of These Nights album, the song became their second single to top the Billboard Hot 100 chart after "Best of My Love" and also helped propel the album to number one. The single version was shortened from the album version of the song, removing most of the song's intro and most of its fade-out, as well. Henley is lead vocalist on the verses, while Randy Meisner sings high harmony on the refrain. The song features a guitar solo by Don Felder that is "composed of blues-based licks and sustained string bends using an unusually meaty distortion tone."
Title: One of These Nights (Red Velvet song)
Content:  "One of These Nights" is branded as an R&B ballad with a polished rhythm. Jeff Benjamin of Fuse described it as a standard ballad which opens "with strings and piano before evolving into a sweeping, orchestral arrangement" until a trap beat kicks in at the 1:40 mark "to give the strings a modern flavor". On the other hand, Chester Chin of star2 called it a "haunting, downtrodden ballad". Tamar Herman of Billboard emphasized the track's "soaring piano, strings, and tinkling chimes" which sits beneath the group's voices "to build the song up to a dramatic finale". It was composed by Hwang Chan-hee, Andreas Öberg, Maria Marcus and penned by Seo Ji-eum of Jam Factory, in the key of F# minor and a tempo of 134 
Title: One of These Nights (Red Velvet song)
Content:  "One of These Nights" is a song recorded by South Korean girl group Red Velvet. Composed by Hwang Chan-hee, Andreas Öberg, Maria Marcus and penned by Seo Ji-eum of Jam Factory, it was released as the lead single from their second extended play, The Velvet, which is also the group's first major release to focus on the 'Velvet' half of their unique dual concept, as a follow-up to their last album, The Red. "One of These Nights" is an R&B mid-tempo song with lyrics inspired by the story of Jiknyeo and Gyeonwu, a folk tale conceived from the Korean festival Chilseok which originates from the Chinese Qixi Festival which falls 
Title: One of These Nights
Content:  "One of These Nights", "Lyin' Eyes", and "Take It to the Limit" were released as singles (information on these songs may be found in their respective articles). The following are some of the other notable songs in the album.
Title: One of These Nights (Eagles song)
Content: Don Henley – lead vocals, drums ; Glenn Frey – piano, backing vocals ; Don Felder – lead guitar, rhythm guitar ; Randy Meisner – bass guitar, backing vocals ; Bernie Leadon – rhythm guitar, backing vocals 
Title: One of Those Nights (Bucks Fizz song)
Content:  "One of Those Nights" is a 1981 single by UK pop group Bucks Fizz. Written by Steve Glen, Mike Burns and Dave Most, it was the group's third single and their third UK top 20 hit.
Title: One of Those Nights Tonight
Content:  "One of Those Nights Tonight" is a song written by Susan Longacre and Rick Giles, and recorded by American country music artist Lorrie Morgan. It was released in October 1997 as the second single from her album Shakin' Things Up. The song reached number 14 on the Billboard Hot Country Singles & Tracks chart in February 1998.
Title: These Nights
Content:  Music and photo teasers for the song were released in the weeks prior to the official release of the single. The track was written by Chungha, Slanger, Montana Wayne Best, McCulloch Reid Sutphin, Jordan Orvosh and Rich Brian. Musically, "These Nights" is a sophisticated track with an old-school style that features a memorable synthesizer sound. It has been described as a song about existing for the nighttime and seizing the memorable moments one can make with their lover. The song serves as a stark difference to Brian’s debut song, "Dat $tick" (2016) and includes passionate modulated crooning rather than a harsh anti-authoritative attitude.
Title: One of These Nights (Eagles song)
Content:  started writing the song. Frey started the writing process by composing the music, and Henley then started with the lyrics. Frey said: "I just went over to the piano and I started playing this little minor descending progression, and he comes over and goes, 'One of these nights'." After that, Frey said: "What usually happens is when we get the thing fused together, he gets involved in the music and I get involved in the lyrics." While they were recording the album in Miami, the band also shared a studio with the Bee Gees, and according to Henley, the "four-on-the-floor" bass-drum pattern is a nod to disco. In the liner notes of 
Title: One of These Nights
Content:  One of These Nights is the fourth studio album by the Eagles, released in 1975. In July that year, the record became the Eagles' first number one album on Billboards album chart, yielding three Top 10 singles: "One of These Nights", "Lyin' Eyes" and "Take It to the Limit". Its title song is the group's second number one single on the Billboard Hot 100. The album sold four million copies and was nominated for Grammy Album of the Year. A single from the album, "Lyin' Eyes", was also nominated for Record of the Year, and won the Eagles' first Grammy for Best Pop Performance by a Duo or Group with Vocals. One of These Nights is the last Eagles album to feature guitarist Bernie Leadon, who left the band after the One of These Nights tour and was replaced by Joe Walsh. The seventh track, "Visions", is the only Eagles song on which lead guitarist Don Felder sang the lead vocals, despite his desire to write and sing more songs. The album was the band's commercial breakthrough, transforming them into international superstars. They went on a worldwide tour to promote the album.

Question: who sang the song one of these nights?
Answer: American rock band Eagles.
the American rock band Eagles.
Eagles.