======================== unified (from filesystem) ========================
                                         'bitrate'  '245.365'
                                        'duration'  '198'
                                          'artist'  'Katy Perry'
                                     'text_people'  ''
                                         'release'  'One of the Boys'
                                           'title'  'If You Can Afford Me'
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                                      'lastfmtags'  "['indie', 'pop rock', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '150'
                                             'key'  '2B'
                                        'acoustid'  '98bdc25f-81e2-4a2f-b707-5dd48b904f62'
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'One of the Boys'
'TBPM' (BPM (beats per minute))                     '150'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'If You Can Afford Me'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Katy Perry'
'TPE2' (Band/orchestra/accompaniment)               'Katy Perry'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '8/12'
'TSO2'                                              'Perry, Katy'
'TSOP' (Performer sort order)                       'Perry, Katy'
'TSRC' (ISRC (international standard recording code))  'USCA20802545'
'TXXX:Acoustid Id'                                  '98bdc25f-81e2-4a2f-b707-5dd48b904f62'
'TXXX:Artists'                                      'Katy Perry'
'TXXX:BARCODE'                                      '724354050428'
'TXXX:CATALOGNUMBER'                                '7243 5 40504 2 8'
'TXXX:MusicBrainz Album Artist Id'                  '122d63fc-8671-43e4-9752-34e846d62a9c'
'TXXX:MusicBrainz Album Id'                         '1eea1ec2-7bda-4fe6-b284-c214f8e43d8e'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '122d63fc-8671-43e4-9752-34e846d62a9c'
'TXXX:MusicBrainz Release Group Id'                 '88f14b0b-f8d1-31b4-87ab-199145fc12d3'
'TXXX:MusicBrainz Release Track Id'                 '519297b7-c4ae-42d0-8734-bcae727fca22'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'pop rock', 'female vocalists', 'pop', 'rock']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.328693'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b119a122-1501-4735-9d9c-a698d1375daf')

========================== row from database ==========================
                                              'id'  1308889
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Katy Perry - One of the Boys/Katy Perry - 08  - If You Can Afford Me.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  198
                                           'genre'  electronic-generic or radio
                                        'filesize'  6091980
                                           'mtime'  1642081344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted 08 electronic generic radio
                                      'tag_artist'  Katy Perry
                                     'tag_release'  One of the Boys
                                       'tag_title'  If You Can Afford Me
                                             'bpm'  150.0
                                    'search_title'  'afford':4 'can':3 'if':1 'me':5 'you':2
                                   'search_artist'  'katy':1 'perry':2
                                  'search_release'  'boys':4 'of':2 'one':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'generic':4 'radio':5 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'afford':4A 'boys':11C 'can':3A 'electronic':14 'generic':15 'if':1A 'katy':6B 'me':5A 'of':9C 'one':8C 'perry':7B 'radio':16 'the':10C 'unsorted':13 'you':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'pop rock', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081344.394728  (2022-01-13 14:42:24)
                             'size'  6091980