Reduced to a quartet, "4" (1981) hit No. 1 (for 10 weeks) in the US and No. 2 in Canada, while becoming Foreigner’s break-through album outside of North America, going Top 5 in the UK, Germany and Australia. Two of "4’s" singles were smashes: "Urgent" reached No. 1 in Canada and on the new US Rock Tracks chart, No. 4 on the US Hot 100 and, became their first Top 15 hit in Germany; and, the ballad “Waiting for a Girl Like You” peaked at No. 2 in both the US (for a record 10 weeks) and Canada, topped the US Rock Tracks chart, and became their first Top 10 hit in the UK and Australia. In 1982, Foreigner released its first greatest hits album, "Records", which has gone on to sell 7 million copies in the US. In 1984, Foreigner had its biggest hit single, the anthemic ballad "I Want to Know What Love Is", which topped the US, UK, Canadian and Australian charts, while hitting No. 3 in Germany and the Top 10 in numerous other countries. Its source album, "Agent Provocateur", was the band’s most successful in the UK, Germany and some other countries in Europe, where it peaked at No. 1, and in Australia (No. 3), while performing well in the US (No. 4) and Canada (No. 3).