======================== unified (from filesystem) ========================
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                                        'duration'  '171'
                                          'artist'  'DEVO'
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                                      'lastfmtags'  "['80s', 'new wave', 'alternative', 'post punk', 'rock']"
                                     'discogstags'  "['new wave', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '24'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     'Pioneers Who Got Scalped: The Anthology'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-05-09'
'TIT2' (Title/songname/content description)         'Post Post-Modern Man'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'DEVO'
'TPE2' (Band/orchestra/accompaniment)               'DEVO'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '19/24'
'TSO2'                                              'DEVO'
'TSOP' (Performer sort order)                       'DEVO'
'TXXX:ASIN'                                         'B00004SUYJ'
'TXXX:Acoustid Id'                                  'e797ae42-e89d-4993-aa39-0cbc41ec956a'
'TXXX:Artists'                                      'DEVO'
'TXXX:BARCODE'                                      '081227596729'
'TXXX:CATALOGNUMBER'                                'R2 75967'
'TXXX:MusicBrainz Album Artist Id'                  'd2db1078-c170-4e22-b261-14f3ad60a690'
'TXXX:MusicBrainz Album Id'                         '3807381c-24d0-41d0-b1db-39eb31eaadaa'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd2db1078-c170-4e22-b261-14f3ad60a690'
'TXXX:MusicBrainz Release Group Id'                 '297fde06-ef8a-3dc0-990a-7d708179075f'
'TXXX:MusicBrainz Release Track Id'                 'a4d0e73d-c0f8-3b63-a12a-aa203a5975c7'
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'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'                                  ['new wave', 'electronic']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'alternative', 'post punk', 'rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.553370'
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========================== row from database ==========================
                                              'id'  244309
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0incharacter/Devo/Pioneers Who Got Scalped  The Anthology Disc 2/19 Post Post-Modern Man.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  171
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  2142325
                                           'mtime'  1620515758
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0incharacter Devo Disc 2 19 electronic we new wave or post punk
                                      'tag_artist'  DEVO
                                     'tag_release'  Pioneers Who Got Scalped: The Anthology
                                       'tag_title'  Post Post-Modern Man
                                             'bpm'  133.0
                                    'search_title'  'man':5 'modern':3 'post':1,2 'postmodern':4
                                   'search_artist'  'devo':1
                                  'search_release'  'anthology':7 'got':3 'pioneers':1 'scalped':4,5 'the':6 'who':2
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                                    'search_combo'  '0incharacter':14 '19':18 '2':17 'anthology':13C 'devo':6B,15 'disc':16 'electronic':19 'got':9C 'man':5A 'modern':3A 'new':21 'or':23 'pioneers':7C 'post':1A,2A,24 'postmodern':4A 'punk':25 'scalped':10C,11C 'the':12C 'wave':22 'we':20 'who':8C
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'alternative', 'post punk', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['new wave', 'electronic']

============================== file details ==============================
                                           'mtime'  1620515757.728019  (2021-05-09 01:15:57)
                             'size'  2142325