Party Never Ends has been described as approaching dance music and its subgenres, with influences varying from Latin, hip hop and house to electropop, salsa and dubstep.

The songs from Party Never Ends have been recorded in London, Mexico, Bucharest, Copenhagen and Los Angeles, while contributors include: Steve Mac, DJ Frank E, Play & Win, SoFly and Nius, Lucas Secon, The Insomniax, Thomas Troelsen, Orange Factory, Shermanology, Ina Wroldsen, Wayne Hector and Ameerah.

[4] It opens with "In Your Eyes", a Latin-influenced dance and hip hop song,[10][11][12] followed by "More than Friends", which serves as the third track and belongs to the house and Latin genres.

[9][18][19] The deluxe edition track "Be My Lover" features multiple genres: dubstep, electro dance, club and house, along with a sample of La Bouche's 1995 single of the same name.

He went on commending "In Your Eyes" as radio-friendly, "Live Your Life", "Caliente" and "More than Friends", while criticizing "Inndia" for being passable and "Shining Star" as mediocre.

[39][40] The subsequent single, "Inndia" in collaboration with Romanian trio Play & Win,[41] similarly reached the top 10 in Inna's native country.

[42] "More than Friends", the project's fourth release,[43] featured guest vocals by Puerto Rican reggaeton performer Daddy Yankee and was a top 40 hit in Romania, Slovakia, Spain and the Polish dance chart.

[48] Two last singles were released from Party Never Ends, "Be My Lover" on 26 July and "In Your Eyes" on 3 December 2013 to minor success; the latter featured Puerto Rican performer Yandel.

[49][50] Multiple promotional singles were released to support the premiere of the album: "Ok", "Alright", "J'adore", "Spre mare" and "Dame Tu Amor".