======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '228'
                                          'artist'  'The Knife'
                                     'text_people'  ''
                                         'release'  'Deep Cuts'
                                           'title'  'One for You'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '17'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '120'
                                             'key'  '4A'
                                        'acoustid'  '867b2a66-ace8-4d75-aedb-21d1f497719c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deep Cuts'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2005-01-18'
'TIT2' (Title/songname/content description)         'One for You'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knife'
'TPE2' (Band/orchestra/accompaniment)               'The Knife'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/17'
'TSO2'                                              'Knife, The'
'TSOP' (Performer sort order)                       'Knife, The'
'TSRC' (ISRC (international standard recording code))  'SEWCE0400204'
'TXXX:ASIN'                                         'B0007UT5QI'
'TXXX:Acoustid Id'                                  '867b2a66-ace8-4d75-aedb-21d1f497719c'
'TXXX:Artists'                                      'The Knife'
'TXXX:MusicBrainz Album Artist Id'                  'bf710b71-48e5-4e15-9bd6-96debb2e4e98'
'TXXX:MusicBrainz Album Id'                         '6a72742c-87d6-465a-8c48-f536db1feaa0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'bf710b71-48e5-4e15-9bd6-96debb2e4e98'
'TXXX:MusicBrainz Release Group Id'                 'e35a847b-d4cb-3dfe-b2ea-047f8fe0d95b'
'TXXX:MusicBrainz Release Track Id'                 '5afa8950-2d0b-38c0-9ece-3096d15a723d'
'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'
'TXXX:lastfmtags'                                   ['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.568301'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a46bf536-adc0-439f-84af-06897fd5007f')

========================== row from database ==========================
                                              'id'  1456088
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Knife/Deep Cuts (2003)/the_knife-04-one_for_you-whoa.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  228
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5493647
                                           'mtime'  1628353847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2003) the_knife 04 one_for_you whoa electronic we electropop synthpop
                                      'tag_artist'  The Knife
                                     'tag_release'  Deep Cuts
                                       'tag_title'  One for You
                                             'bpm'  120.0
                                    'search_title'  'for':2 'one':1 'you':3
                                   'search_artist'  'knife':2 'the':1
                                  'search_release'  'cuts':2 'deep':1
                                     'search_rest'  '00poprockelectronic':1 '2003':2,3 'electronic':10 'electropop':12 'for':7 'knife':5 'one':6 'synthpop':13 'the':4 'we':11 'whoa':9 'you':8
                                    'search_combo'  '00poprockelectronic':8 '2003':9,10 'cuts':7C 'deep':6C 'electronic':17 'electropop':19 'for':2A,14 'knife':5B,12 'one':1A,13 'synthpop':20 'the':4B,11 'we':18 'whoa':16 'you':3A,15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628353846.5343854  (2021-08-07 18:30:46)
                             'size'  5493647