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Most of the id3 functions either let you specify or return a tag version. In order to specify the version please use on of these constants.
ID3_V1_0  
     ( integer )
    ID3_V1_0  is used if you are working with
      ID3 V1.0 tags. These tags may contain the fields title, artist,
      album, genre, year and comment.
      ID3_V1_1  
     ( integer )
    ID3_V1_1  is used if you are working with
      ID3 V1.1 tags. These tags may all information contained in v1.0
      tags plus the track number.
      ID3_V2_1  
     ( integer )
    ID3_V2_1  is used if you are working with
      ID3 V2.1 tags.
      ID3_V2_2  
     ( integer )
    ID3_V2_2  is used if you are working with
      ID3 V2.2 tags.
      ID3_V2_3  
     ( integer )
    ID3_V2_3  is used if you are working with
      ID3 V2.3 tags.
      ID3_V2_4  
     ( integer )
    ID3_V2_4  is used if you are working with
      ID3 V2.4 tags.
      ID3_BEST  
     ( integer )
    ID3_BEST  is used if would like to let the id3 functions
      determine which tag version should be used.