======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Björk'
                                     'text_people'  'Betty Hutton'
                                         'release'  'Rough Trade Shops: Covers 1976-2016, Vol. 1'
                                           'title'  "It's Oh So Quiet"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '22'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '129.398'
                                             'key'  '6B'
                                        'acoustid'  'e512818a-2bd8-40aa-a44f-8502488fee08'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rough Trade Shops: Covers 1976-2016, Vol. 1'
'TBPM' (BPM (beats per minute))                     '129.398'
'TCOM' (Composer)                                   'Betty Hutton'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled', 'set-cover or covered']
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016'
'TENC' (Encoded by)                                 'exy'
'TIT2' (Title/songname/content description)         "It's Oh So Quiet"
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Rough Trade Shops'
'TRCK' (Track number/Position in set)               '20/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Björk'
'TSRC' (ISRC (international standard recording code))  'GBAKY9500010'
'TSST' (Set subtitle)                               '1976-1997'
'TXXX:Acoustid Id'                                  'e512818a-2bd8-40aa-a44f-8502488fee08'
'TXXX:CATALOGNUMBER'                                'RTCOV1'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c5b66765-72df-4d74-b814-ff236103df9e'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'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:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.375723'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'21b06466-19bd-4089-808e-5bb762dab782')

========================== row from database ==========================
                                              'id'  1526663
                                            'path'  /data/Music/Bulk/00poprockelectronic/va - rough trade shops covers vol. 1 (150_44)/20. Björk - It_s Oh So Quiet.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  8918317
                                           'mtime'  1642341085
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic va rough trade shops covers vol. (150_44) 20. It_s set cover or covered styled;set cover or covered
                                      'tag_artist'  Björk
                                     'tag_release'  Rough Trade Shops: Covers 1976-2016, Vol. 1
                                       'tag_title'  It's Oh So Quiet
                                             'bpm'  129.398
                                    'search_title'  'it':1 'its':3 'oh':4 'quiet':6 's':2 'so':5
                                   'search_artist'  'bjork':1,2
                                  'search_release'  '1':11 '1976':6 '19762016':8 '2016':7 'covers':5 'rough':1 'shops':3,4 'trade':2 'vol':9,10
                                     'search_rest'  '00poprockelectronic':1 '150':9,11 '20':13,14 '44':10,12 'cover':18 'covered':20 'covers':6 'it':15 'or':19 'rough':3 's':16 'set':17,22,24 'shops':5 'styled':21,23 'trade':4 'va':2 'vol':7,8
                                    'search_combo'  '00poprockelectronic':20 '1':19C '150':28,30 '1976':14C '19762016':16C '20':32,33 '2016':15C '44':29,31 'bjork':7B,8B 'cover':37 'covered':39 'covers':13C,25 'it':1A,34 'its':3A 'oh':4A 'or':38 'quiet':6A 'rough':9C,22 's':2A,35 'set':36,41,43 'shops':11C,12C,24 'so':5A 'styled':40,42 'trade':10C,23 'va':21 'vol':17C,18C,26,27
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642341085.0604506  (2022-01-16 14:51:25)
                             'size'  8918317