Fluximation

Both are collection of short stories, which are more like story-less videos with background music and random animation. Both can be trippy but enjoyable. 

Both are a series of music videos, focused on two albums. In Fluximation, an album by Utada Hikari and Interestella by Daft Punk. Both with a "pop" style characterizing the authors of music combined with spatial , romance and action stories, although only in Interestella is a continuous story. 

Both are short stories, more like a music videos made by Studio 4°C. Both consist mainly of random animation and background music with almost no story. Both can be trippy but enjoyable. 

Both are collections of short anime clips made by Studio 4°C. Both have each episode made by different persone and some people worked on both Fluximation and Digital Juice. Both have mainly artistic purpose and both can be a bit trippy but still enjoyable. 

Both are collection of short, some of them trippy anime done by Studio 4°C. While Sweat Punch is collection of stories, Fluximation is collection of music videos. 

Both are Studio 4°C products. Connected: 1 MV for Ayumi Hamasaki (Queen of JPop), quite old but classic. Fluximation: 14 short MVs for Utada Hikaru's album "Exodus", diff style animes, Deluxe! Combo!