Zappa-esque is certainly the faux-classical instrumental interludes I Need Help Immediately and Gecgecgec, and totally Aqua-esque is the dance-pop ditty xXXi.
In stile Zappa sono indubbiamente il simil-classico intermezzo strumentale I Need Help Immediately e Gecgecgec, e completamente in stile Aqua e’ la canzoncina dance-pop xXXi.