How Do I use an Op AMP for Signal Amplification

Recently Studying about Op Amp and Its Operations, needed some guides from you guys on how i can effectively use Op AMP for Signal Amplification. What are the best Op Amp IC which is cost effective that can be used for Audio Amplification. Want to use it in my design so needed some Guide.
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Solution
Audio has its own series of op amp which is optimised for audio signal and it would not be a part of standard Opamps series. Audio Opamps and circuits are readily available in market, so I would recommend Opamps like NE5532 for first designs.
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