======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '147'
                                          'artist'  'Macy Skipper'
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                                     'discogstags'  "['rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '14'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '86.327'
                                             'key'  '8B'
                                        'acoustid'  '76fe38d1-0ece-4968-ac00-fe3e14dc4524'
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            '0'
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'COMM:iTunes_CDDB_IDs:eng'                          '14++'
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'TBPM' (BPM (beats per minute))                     '86.327'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes 12.3.2.35'
'TIT2' (Title/songname/content description)         'Bop Pills'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Macy Skipper'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Born Bad Records'
'TRCK' (Track number/Position in set)               '11/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Skipper, Macy'
'TXXX:Acoustid Id'                                  '76fe38d1-0ece-4968-ac00-fe3e14dc4524'
'TXXX:Artists'                                      'Macy Skipper'
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'TXXX:MusicBrainz Album Id'                         '59783590-827a-4171-93ef-9a754dab1c1b'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rockabilly', 'rock']
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', 'oldies', '60s', 'rock n roll']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.500147'
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========================== row from database ==========================
                                              'id'  1418200
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/va - Born Bad Vol. 5/11 Bop Pills.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  147
                                           'genre'  rock-gr-garage
                                        'filesize'  3043564
                                           'mtime'  1620388638
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner va Vol. 11 rock gr garage
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                                     'tag_release'  Born Bad, Volume 5
                                       'tag_title'  Bop Pills
                                             'bpm'  86.327
                                    'search_title'  'bop':1 'pills':2
                                   'search_artist'  'macy':1 'skipper':2
                                  'search_release'  '5':5 'bad':2,3 'born':1 'volume':4
                                     'search_rest'  'garage':2 'gr':9 'punk':1 'rock':8 'stoner':4 'surf':3 'va':5 'vol':6,7
                                    'search_combo'  '5':9C 'bad':6C,7C 'bop':1A 'born':5C 'garage':11 'gr':18 'macy':3B 'pills':2A 'punk':10 'rock':17 'skipper':4B 'stoner':13 'surf':12 'va':14 'vol':15,16 'volume':8C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', 'oldies', '60s', 'rock n roll']
                                        'tag_date'  1998
                                     'discogstags'  ['rockabilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620388637.9479017  (2021-05-07 13:57:17)
                             'size'  3043564