======================== unified (from filesystem) ========================
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                                        'duration'  '294'
                                          'artist'  'Ani DiFranco'
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                                           'title'  "Ain't That the Way"
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                                      'lastfmtags'  "['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '116.1'
                                             'key'  '7B'
                                        'acoustid'  '2bffa73f-7a46-4b47-bfd1-d5e820ea9fb2'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'So Much Shouting, So Much Laughter'
'TBPM' (BPM (beats per minute))                     '116.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-09-10'
'TIT2' (Title/songname/content description)         "Ain't That the Way"
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'TPE2' (Band/orchestra/accompaniment)               'Ani DiFranco'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Righteous Babe Records'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'DiFranco, Ani'
'TSOP' (Performer sort order)                       'DiFranco, Ani'
'TSST' (Set subtitle)                               'Girls Singing Night'
'TXXX:ASIN'                                         'B00006EXEE'
'TXXX:Acoustid Id'                                  '2bffa73f-7a46-4b47-bfd1-d5e820ea9fb2'
'TXXX:Artists'                                      'Ani DiFranco'
'TXXX:BARCODE'                                      '748731702922'
'TXXX:CATALOGNUMBER'                                'RBR029-D'
'TXXX:MusicBrainz Album Artist Id'                  'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Album Id'                         '51ce4f62-5b11-41c5-847e-a2799bfb1153'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Release Group Id'                 'a9675493-dd84-3a94-94e7-71fe28279742'
'TXXX:MusicBrainz Release Track Id'                 '45b2619f-69c6-304b-a808-948764545109'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:mood'                                         'Not relaxed/Not aggressive/Not party/Not electronic/Not happy/Acoustic/Not sad'
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.582599'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2b43fbab-655c-4978-9f81-7fa04a022982')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/So Much Shouting, So Much Laughter 2002/So Much Shouting, So Much Laughter (disc 2 Girls Singing Night)-02-Ain_t That the Way.mp3
                                         'working'  None
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                                    'duration_sec'  294
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  7127613
                                           'mtime'  1636401193
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                                        'rest_str'   00singer songwriter eos 00songwriter eos 2002 (disc 2 Girls Singing Night) 02 Ain_t ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  So Much Shouting, So Much Laughter
                                       'tag_title'  Ain't That the Way
                                             'bpm'  116.1
                                    'search_title'  'ain':1 'aint':3 't':2 'that':4 'the':5 'way':6
                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
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                                    'search_combo'  '00singer':16 '00songwriter':19 '2':23 '2002':20 'ain':1A,28 'aint':3A 'ani':7B 'di':9B 'difranco':8B 'disc':21,22 'eos':18 'franco':10B 'girls':24 'ifs':30 'laughter':15C 'much':12C 'night':26,27 'shouting':13C,14C 'singing':25 'so':11C 'songwriter':17 't':2A,29 'that':4A 'the':5A 'way':6A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636401192.9442432  (2021-11-08 20:53:12)
                             'size'  7127613