4, released in July 1981, was Foreigner's 4th studio album, and also symbolised the band becoming a quartet.

4 peaked at #1 on the Billboard 200 albums chart (North America).

Table of contents
1 Track listing
2 Personnel
3 Chart positions

Track listing

  1. Night Life (Gramm/Jones) - 3:11
  2. Juke Box Hero (Gramm/Jones) - 4:29
  3. Break It Up (Jones) - 3:48
  4. Waiting for a Girl Like You (Gramm/Jones) - 4:11
  5. Luanne (Gramm/Jones) - 3:48
  6. Urgent (Jones) - 4:51
  7. I'm Gonna Win (Jones) - 4:18
  8. Woman in Black (Jones) - 4:42
  9. Girl on the Moon (Gramm/Jones) - 3:49
  10. Don't Let Go (Gramm/Jones) - 4:49

Personnel

Chart positions

Billboard Music Charts (North America) - album
1981	4	Pop Albums	                No. 1
Billboard (North America) - singles

1981	Juke Box Hero			Mainstream Rock		No. 3
1981	Night Life			Mainstream Rock		No. 14
1981	Urgent				Mainstream Rock		No. 1
1981	Waiting For A Girl Like You	Pop Singles		No. 1