======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '519'
                                          'artist'  'Faithless'
                                     'text_people'  ''
                                         'release'  'Reverence'
                                           'title'  'Insomnia'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trip hop', 'electronica', 'electronic', 'house']"
                                     'discogstags'  "['electronic', 'house', 'downtempo', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '127'
                                             'key'  '7B'
                                        'acoustid'  '6f5c7822-15c6-4d2b-98b3-0101087b0c9a'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reverence'
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Insomnia'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Faithless'
'TPE2' (Band/orchestra/accompaniment)               'Faithless'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Jive'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Faithless'
'TSOP' (Performer sort order)                       'Faithless'
'TSRC' (ISRC (international standard recording code))  'GB2829500040/GBBXH9820028'
'TSST' (Set subtitle)                               'Reverence'
'TXXX:Acoustid Id'                                  '6f5c7822-15c6-4d2b-98b3-0101087b0c9a'
'TXXX:Artists'                                      'Faithless'
'TXXX:BARCODE'                                      '5013705236426'
'TXXX:CATALOGNUMBER'                                '0523642'
'TXXX:MusicBrainz Album Artist Id'                  '23d9d74d-c95e-46a6-be26-a6075c49747a'
'TXXX:MusicBrainz Album Id'                         '8c5799b3-dfd8-4715-b1cf-e877ad86c578'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '23d9d74d-c95e-46a6-be26-a6075c49747a'
'TXXX:MusicBrainz Release Group Id'                 '1bb277e1-20ed-399f-99f2-c97aea745092'
'TXXX:MusicBrainz Release Track Id'                 '37417cf8-5e52-3eae-81d9-1c8a8c94d841'
'TXXX:Q-HAP'                                        '3'
'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'                                  ['electronic', 'house', 'downtempo', 'drum n bass']
'TXXX:lastfmtags'                                   ['dance', 'trip hop', 'electronica', 'electronic', 'house']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.660655'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'22679a0a-da3a-4cf6-b1a7-58ad97fdee8f')

========================== row from database ==========================
                                              'id'  1287572
                                            'path'  /data/Music/Bulk/00poprockelectronic/Faithless/MBZ;#Faithless;#Reverence;#06;#Insomnia.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  519
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  12492210
                                           'mtime'  1636911255
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Faithless;#Reverence;#06;#Insomnia electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Faithless
                                     'tag_release'  Reverence
                                       'tag_title'  Insomnia
                                             'bpm'  127.0
                                    'search_title'  'insomnia':1
                                   'search_artist'  'faithless':1
                                  'search_release'  'reverence':1
                                     'search_rest'  '00poprockelectronic':1 '06':5,10 'acid':17 'downtempo':16 'electronic':12 'faithless':3,8 'hop':14 'insomnia':6,11 'jazz':18 'mbz':2,7 'or':15 'reverence':4,9 'trip':13
                                    'search_combo'  '00poprockelectronic':4 '06':8,13 'acid':20 'downtempo':19 'electronic':15 'faithless':2B,6,11 'hop':17 'insomnia':1A,9,14 'jazz':21 'mbz':5,10 'or':18 'reverence':3C,7,12 'trip':16
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trip hop', 'electronica', 'electronic', 'house']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'house', 'downtempo', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1636911255.3404987  (2021-11-14 18:34:15)
                             'size'  12492210