======================== unified (from filesystem) ========================
                                         'bitrate'  '210.234'
                                        'duration'  '276'
                                          'artist'  'Sarah Hopkins'
                                     'text_people'  ''
                                         'release'  'Gravikords, Whirlies & Pyrophones'
                                           'title'  'Kindred Spirits'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['cello', 'contemporary classical', 'ambient', 'deep listening']"
                                     'discogstags'  "['new age', 'abstract', 'electronic', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '19'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '134.0'
                                             'key'  '8B'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '134.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Kindred Spirits'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Hopkins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '16/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Hopkins, Sarah'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B00000BIII'
'TXXX:Acoustid Id'                                  'ce65b2c4-f37b-4a6b-81ee-b1e6aacd8805'
'TXXX:BARCODE'                                      '052296305024'
'TXXX:CATALOGNUMBER'                                'CD3630'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '431e63bf-477b-4ab3-8603-295a67c2beac'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'bb964b00-966b-4a62-9353-bcba9e47965e'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['new age', 'abstract', 'electronic', 'classical', 'ambient']
'TXXX:lastfmtags'                                   ['cello', 'contemporary classical', 'ambient', 'deep listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.655536'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e9d3ca46-b5aa-4acc-8ccf-aee55e7c93f6')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tom Nunn - Various - Gravikords, Whirlies & Pyrophones (1998) [V0]/16 - Sarah Hopkins - Kindred Spirits.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  276
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  7279589
                                           'mtime'  1636916125
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Tom Nunn Various (1998) [V0] 16 electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Sarah Hopkins
                                     'tag_release'  Gravikords, Whirlies & Pyrophones
                                       'tag_title'  Kindred Spirits
                                             'bpm'  134.0
                                    'search_title'  'kindred':1 'spirits':2
                                   'search_artist'  'hopkins':2 'sarah':1
                                  'search_release'  'gravikords':1,2 'pyrophones':4 'whirlies':3
                                     'search_rest'  '1998':4,5 'electronic':8 'experimental':9 'mor':19 'nunn':2 'oddness':10,12 'pl':14 'set':11,13,16,18 'shirleyspinoza':15,17 'tom':1 'v0':6,7 'various':3
                                    'search_combo'  '1998':12,13 'electronic':16 'experimental':17 'gravikords':5C,6C 'hopkins':4B 'kindred':1A 'mor':27 'nunn':10 'oddness':18,20 'pl':22 'pyrophones':8C 'sarah':3B 'set':19,21,24,26 'shirleyspinoza':23,25 'spirits':2A 'tom':9 'v0':14,15 'various':11 'whirlies':7C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['cello', 'contemporary classical', 'ambient', 'deep listening']
                                        'tag_date'  1998
                                     'discogstags'  ['new age', 'abstract', 'electronic', 'classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1636916125.0959566  (2021-11-14 19:55:25)
                             'size'  7279589