Credits: Original Mod created by Shimrod101 on Mod the Sims, which I am updating for a long time already and now uploading here as well.
Original Text by Shimrod101:
This mod increases the length of all 6 of the Group Dances; each dance is 4 or 5 times longer than in vanilla game. This is achieved by adding more dance moves (animations) into each dance and by using a dance move 2 or 3 times within the dance.
The dances are all reconstructed as concerns which dance moves are included. For example, the One Two Steppin' dance has more steppin' moves than the other dances. The Lean Back dance uses more of the leaning shown below.
One of the dances is not available in vanilla game unless your sim is in a required emotional state. This mood requirement for that dance is removed in this mod so this dance is always available as long as the individual dancers have high enough dancing skill.
Also when sims reach their position on the dance floor they will begin with warm-up dancing; male sims do the machine arm-pump move from the focused mood, female sims do the flirty dance move; when the last sim reaches their spot on the dance floor they all begin the group dance. This warm-up is shown below.
Additional Credits:
Created with the use of s4pe by Kuree and accomplices, and the Sims 4 XML Extractor by scumbumbo.
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Mod Support available via my Discord:
https://discord.gg/KpZsvRM