The Now That's What I Call Music! series is a compilation album series that features a collection of songs from various artists, each representing a different decade from the 1950s to the present.

Classic Rock: The Ultimate Collection is a compilation album that features a collection of classic rock songs from the 1960s and 1970s by artists such as Led Zeppelin, The Rolling Stones, The Who, and Jimi Hendrix.

Compilation albums with titles like 'The Very Best of', 'The Ultimate Collection', 'The Greatest Hits', or 'The Essential' typically showcase the greatest hits of a particular artist or band.

Compilation albums with titles like 'The Best of Country Music', 'The Ultimate Jazz Collection', 'The Golden Age of Hip Hop', or 'The Roots of Reggae' typically feature a collection of songs from a specific genre or subgenre of music.

Compilation albums with titles like 'Love Songs: The Ultimate Collection', 'Songs of Protest', 'The Sound of Summer', or 'The Christmas Album' typically feature a collection of songs from various artists that share a common theme or concept.

Compilation albums with titles like 'The Greatest Showman: Original Motion Picture Soundtrack', 'Hamilton: An American Musical', 'The Lion King: Original Motion Picture Soundtrack', or 'Mamma Mia!: The Movie Soundtrack' typically feature a collection of songs from a particular soundtrack or musical.

Compilation albums with titles like 'The B-Sides', 'The Lost Tapes', 'The Unreleased Collection', or 'The Rarities' typically feature a collection of rare or unreleased tracks from a particular artist or band.

Compilation albums with titles like 'The Very Best of Motown', 'The Ultimate Atlantic Collection', 'The Goldmine: The Best of Warner Bros. Records', or 'The Capitol Records Story' typically showcase the best songs from a particular record label or music company.

Compilation albums with titles like 'The Hits of the 1980s', 'The Best of the 1990s', 'The 2000s: A Decade of Hits', or 'The Ultimate 2010s Playlist' typically feature a collection of songs from various artists that were popular during a specific time period.

Compilation albums with titles like 'Music from the Motion Picture Pulp Fiction', 'The O.C. Mix 1', 'Grand Theft Auto: Vice City Soundtrack', or 'The Twilight Saga: New Moon (Original Motion Picture Soundtrack)' typically feature a collection of songs that were used in a particular movie, TV show, or video game.

Compilation albums with titles like 'Woodstock: Music from the Original Soundtrack and More', 'Live at the Apollo', 'The Best of Coachella', or 'Glastonbury: The Greatest Hits' typically showcase the best songs from a particular music festival or concert series.

Compilation albums with titles like 'Songs for Japan', 'Hope for Haiti Now', 'The Music of Bob Dylan', or 'The Songs of John Lennon' typically feature a collection of songs from various artists that were inspired by a particular event, person, or place.

Compilation albums with titles like '(RED) Hot + Dance', 'Songs for a Cure', 'The Art of Elysium Presents: Where Is My Mind?', or 'Chimes of Freedom: The Songs of Bob Dylan' typically showcase the best songs from a particular charity or non-profit organization.

Compilation albums with titles like 'Live at the BBC', 'Live from the Roxy', 'Live at the Fillmore East', or 'Live at the Budokan' typically feature a collection of songs from various artists that were recorded live.

Compilation albums with titles like 'The 1960s: A Musical Journey', 'The Golden Age of the 1970s', 'The 1980s: The Best of the Decade', or 'The 1990s: A Retrospective' typically showcase the best songs from a particular decade or era.