Their debut studio album, Eagles (1972), spawned two top-20 singles in the US and Canada: "Take It Easy" and "Witchy Woman". The next year's follow-up album, Desperado, peaked at only number 41 in the US, although the title song became a popular track. In 1974, guitarist Don Felder joined, and On the Border produced the top-40 hit "Already Gone" and the Eagles' first number-one song in the US and Canada, "Best of My Love", which made the top 15 in Australia, their first hit overseas. In 1975, the album One of These Nights became their first number-one album in the US and a top ten album in many countries. It included the US number-one hit "One of These Nights", which was their first top ten hit outside of North America, and US top-5 songs "Lyin' Eyes" and "Take It to the Limit". Also in 1975, Leadon left the band and was replaced by guitarist and vocalist Joe Walsh.
Their debut studio album, Eagles (1972), spawned two top-20 singles in the US and Canada: "Take It Easy" and "Witchy Woman". The next year's follow-up album, Desperado, peaked at only number 41 in the US, although the title song became a popular track In 1974, guitarist Don Felder joined and On the Border produced the top-40 hit "Already Gone" and the Eagles' first number-one song in the US and Canada, "Best of My Love", which made the top 15 in Australia, their first hit overseas. In 1975, the album One of These Nights became their first number-one album in the US and a top ten album in many countries. It included the US number-one hit "One of These Nights" which was their first top ten hit outside of North America, and US top-5 songs "Lyin' Eyes" and "Take It to the Limit". Also in 1975, Leadon left the band and was replaced by guitarist and vocalist Joe Walsh.