Can anyone recommend singer(s) or song(s) of the same kind as these?

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Hi everybody! I was wondering if anyone can recommend singer(s) or song(s) of the same kind as the ones I'm looking for. There's this episode of Family Guy when the ending credits played the Frank Sinatra Jr. version of the Family Guy theme song. I really love his voice and rendition. I also like the song "You've Got A Lot To See" duet of Brian with Pearl. Here are YouTube links if you haven't heard them yet: Family Guy Theme Song [Frank Sinatra Jr. version]: http://www.youtube.com/watch?v=lFVEQ4mtoQQ Brian and Pearl duet: http://www.youtube.com/watch?v=chmQXcE8zeU What do you technically call these songs? Big band songs? Rat pack songs? '50s music? I was hoping to find similar songs. I like the lively ones, not like The Way We Were or others...not that I'm saying they're bad. I just really prefer the snappy songs. So, could anybody recommend singer(s) or song(s) I could listen to? Hahaha, pretty much the same as most Family Guy songs. Thanks a bunch and have a great day!