Jukebox musical was led by the success of "Mamma Mia!", built around the music of ABBA. Reception of jukebox musicals has been divided, with the most common criticism being that there is too much focus on how many songs can be fit into the musical. Some jukebox musicals, like "Lennon" and "Good Vibrations" have been critical and financial flops. Others, like "Jersey Boys" and "All Shook Up" have been popular with both fans and critics. The term "jukebox musical" dates at least to 1962, following "Jukebox" (1939), though the general genre—motion pictures consisting largely of hit recordings—dates to the 1940s and 1950s.
HMS Prince of Wales (1902) two 3-cylinder vertical triple-expansion steam engines, each driving one propeller, which produced a total of , using steam provided by 20 Belleville boilers with economizers. The boilers had a working pressure of . She was the last British battleship built with Belleville boilers as they had proven problematic and uneconomical in earlier ships. The "London"s were designed to reach a speed of and "Prince of Wales" slightly exceeded this on her sea trials on 8 February 1908, reaching . She carried a maximum of of coal, enough to steam at a speed of . The "London"-class ships' main armament consisted