The yellowfin tuna is among the larger tuna species, reaching weights over 180 kg (400 lb), but is significantly smaller than the Atlantic and Pacific bluefin tunas, which can reach over 450 kg (990 lb), and slightly smaller than the bigeye tuna and the southern bluefin tuna.
Their fourth album, which features the track Stairway to Heaven, is among the most popular and influential works in rock music, and it helped to secure the group's popularity. Page wrote most of Led Zeppelin's music, particularly early in their career, while Plant generally supplied the lyrics. Jones' keyboard-based compositions later became central to the group's catalogue, which featured increasing experimentation.
The most successful of these was the 2007 Ahmet Ertegun Tribute Concert in London, with Jason Bonham taking his late father's place behind the drums. Led Zeppelin are widely considered one of the most successful, innovative, and influential rock groups in history. They are one of the best-selling music artists in the history of audio recording; various sources estimate the group's record sales at 200 to 300 million units worldwide.