can you name his work in collaboration with the first one mentioned above?
He is  responsible for some of the songs of Katy Perry on four albums: On her debut album "One of the Boys" (2008), including the number-one single "I Kissed a Girl", and top 5 hit single "Hot n Cold", and following-up album "Teenage Dream" (2010), including the "Billboard" Hot 100 numbers-ones hits singles "California Gurls" (2010), "Teenage Dream" (2010), "E.T." (2011), "Last Friday Night (T.G.I.F.)" (2011) and the Hot 100 top ten hit "The One That Got Away" (2011).
Max Martin
Max Martin is also responsible for some of the songs of Katy Perry on four albums: On her debut album "One of the Boys" (2008), including the number-one single "I Kissed a Girl", and top 5 hit single "Hot n Cold", and following-up album "Teenage Dream" (2010), including the "Billboard" Hot 100 numbers-ones hits singles "California Gurls" (2010), "Teenage Dream" (2010), "E.T." (2011), "Last Friday Night (T.G.I.F.)" (2011) and the Hot 100 top ten hit "The One That Got Away" (2011).
who is amy in if you seek amy UNANSWERABLE what is if u seek amy? A song. who sang the song? Britney Spears . was it part of any album? Yes, "Circus". when was it released? 10 March 2009. has the album received any awards? UNANSWERABLE were there any controversies associated with it? Yes,  "If U Seek Amy" caused controversy in Anglophone nations for the euphemism and lyrical content, along with the fact that if pronounced in certain accents and dialects, "If U Seek Amy" could be thought of as a double entendre that is interpreted as "F-U-C-K Me" . where is the aforementioned singer from? McComb, Mississippi. what were here views on charity? She  founded The Britney Spears Foundation, a charitable entity set up to help children in need. what type of weather does the aforementioned place have? It has a humid subtropical climate. what can you tell me about the population of this place? As of the census of 2010, there were 12,790 people in the city. who wrote the lyrics for the earlier mentioned song? Max Martin. where is he from? Stenhamra, Ekerö Municipality, Stockholm County. can you name a few artists that he has worked with? Katy Perry, Maroon 5, Taylor Swift, The Weeknd and others.
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Max Martin [SEP] Katy Perry
Max Martin is also responsible for some of the songs of Katy Perry on four albums: On her debut album "One of the Boys" (2008), including the number-one single "I Kissed a Girl", and top 5 hit single "Hot n Cold", and following-up album "Teenage Dream" (2010), including the "Billboard" Hot 100 numbers-ones hits singles "California Gurls" (2010), "Teenage Dream" (2010), "E.T." (2011), "Last Friday Night (T.G.I.F.)" (2011) and the Hot 100 top ten hit "The One That Got Away" (2011). Martin also co-wrote the songs "Part of Me" (2012) and "Wide Awake" (2012), the former of which topped the "Billboard" Hot 100.