======================== unified (from filesystem) ========================
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                                        'duration'  '228'
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                                      'lastfmtags'  "['blues rock', 'indie', 'blues', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '15'
                                      'tracktotal'  '18'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '143'
                                             'key'  '12A'
                                        'acoustid'  '845f9c14-14ca-472b-a18e-4a731d889e40'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Punk-O-Rama, Volume 8'
'TBPM' (BPM (beats per minute))                     '143'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-05-19'
'TENC' (Encoded by)                                 'Tagged by Flash Renamer - http://www.rlvision.com'
'TIT2' (Title/songname/content description)         'Thickfreakness'
'TKEY' (Initial key)                                '12A'
'TLEN' (Length)                                     '228000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Black Keys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Epitaph Europe'
'TRCK' (Track number/Position in set)               '15/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Black Keys, The'
'TXXX:ASIN'                                         'B000094YNI'
'TXXX:Acoustid Id'                                  '845f9c14-14ca-472b-a18e-4a731d889e40'
'TXXX:Artists'                                      'The Black Keys'
'TXXX:BARCODE'                                      '8714092667325'
'TXXX:CATALOGNUMBER'                                '6673-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4b7950df-d5cd-4286-9613-58cedda00ed4'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd15721d8-56b4-453d-b506-fc915b14cba2'
'TXXX:MusicBrainz Release Group Id'                 '82ae4537-5f3c-3a38-b799-055fdf552610'
'TXXX:MusicBrainz Release Track Id'                 '3b2b3fc6-403c-381c-a539-34c3578f6370'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TAGGINGTIME'                                  '2010-02-18T13:12:55'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
'TXXX:mood'                                         'Not acoustic/Relaxed/Not happy/Not party/Not aggressive/Electronic/Not sad'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.326101'
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========================== row from database ==========================
                                              'id'  1421337
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise - Epitaph/Punk-o-Rama Vol. 8/1-15 - Thickfreakness.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  228
                                           'genre'  rock-gr-punk
                                        'filesize'  3737132
                                           'mtime'  1622659097
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Pennywise Epitaph Vol. 1 15 rock gr punk
                                      'tag_artist'  The Black Keys
                                     'tag_release'  Punk-O-Rama, Volume 8
                                       'tag_title'  Thickfreakness
                                             'bpm'  143.0
                                    'search_title'  'thickfreakness':1
                                   'search_artist'  'black':2 'keys':3 'the':1
                                  'search_release'  '8':6 'o':2 'punk':1 'punkorama':4 'rama':3 'volume':5
                                     'search_rest'  '1':9 'epitaph':6 'garage':2 'gr':11 'pennywise':5 'punk':1 'rock':10 'stoner':4 'surf':3 'vol':7,8
                                    'search_combo'  '1':19 '8':10C 'black':3B 'epitaph':16 'garage':12 'gr':21 'keys':4B 'o':6C 'pennywise':15 'punk':5C,11 'punkorama':8C 'rama':7C 'rock':20 'stoner':14 'surf':13 'the':2B 'thickfreakness':1A 'vol':17,18 'volume':9C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659097.236595  (2021-06-02 20:38:17)
                             'size'  3737132