What is 25 or 6 to 4?

"25 or 6 to 4" is a song by the American rock band Chicago. Written by Robert Lamm, a founding member of the band, the song was originally released on the band's second album, "Chicago" (also known as "Chicago II") in 1970. It became one of the band's most popular and enduring hits.

Here are a few key points about the song:

1. Title Meaning: The title "25 or 6 to 4" refers to the time the song was written, specifically 25 or 26 minutes before 4 a.m. Robert Lamm has mentioned that the lyrics came out of an all-night songwriting session and that the title captures the feeling of attempting to write a song in the early morning hours.

2. Musical Style: The song is notable for its driving rock sound, featuring a prominent horn section, a strong bass line, and impressive guitar solos by Terry Kath. It blends elements of rock, jazz, and classical music, a signature style of Chicago during that period.

3. Chart Success: "25 or 6 to 4" was released as a single and became a major hit for Chicago, reaching number 4 on the Billboard Hot 100 chart in the United States. It helped solidify the band's reputation and success during the early 1970s.

4. Cover Versions: The song has been covered by numerous artists over the years and has been a staple in Chicago's live performances. It is considered one of their classic tracks, often serving as a concert highlight.

5. Legacy: "25 or 6 to 4" remains one of Chicago's most recognized songs, praised for its energetic performance and timeless appeal. It continues to receive airplay on classic rock radio stations and is celebrated for its innovative use of music and lyrics.

Overall, "25 or 6 to 4" exemplifies Chicago's unique musical style that blends complex arrangements with accessible pop-rock sensibilities.