======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '71'
                                          'artist'  'Kiila'
                                     'text_people'  ''
                                         'release'  'Heartcore'
                                           'title'  'Heartcore'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic', 'finnish', 'folk', 'experimental', 'freak folk']"
                                     'discogstags'  "['electronic', 'rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '84.738'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Heartcore'
'TBPM' (BPM (beats per minute))                     '84.738'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Heartcore'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kiila'
'TPE2' (Band/orchestra/accompaniment)               'Kiila'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fonal Records'
'TRCK' (Track number/Position in set)               '6/9'
'TSO2'                                              'Kiila'
'TSOP' (Performer sort order)                       'Kiila'
'TXXX:Artists'                                      'Kiila'
'TXXX:CATALOGNUMBER'                                'FR-15'
'TXXX:MusicBrainz Album Artist Id'                  '970d9942-244b-4edf-9604-049b188ce443'
'TXXX:MusicBrainz Album Id'                         '8ab5c60f-160d-473c-aeb9-de4076e0b1d6'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '970d9942-244b-4edf-9604-049b188ce443'
'TXXX:MusicBrainz Release Group Id'                 '1a8734e4-fca4-3443-a776-4e294c666ff1'
'TXXX:MusicBrainz Release Track Id'                 '8ee4c6ed-5e5b-3b2e-ac4b-60efae8168eb'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['psychedelic', 'finnish', 'folk', 'experimental', 'freak folk']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.385718'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'10a50fca-947d-4fb1-8c12-a159df4624b5')

========================== row from database ==========================
                                              'id'  1328926
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kiila/Kiila - Heartcore (2001)/06 - Heartcore.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  71
                                           'genre'  electronic-unsorted
                                        'filesize'  2939769
                                           'mtime'  1637350150
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2001) 06 electronic unsorted
                                      'tag_artist'  Kiila
                                     'tag_release'  Heartcore
                                       'tag_title'  Heartcore
                                             'bpm'  84.738
                                    'search_title'  'heartcore':1
                                   'search_artist'  'kiila':1
                                  'search_release'  'heartcore':1
                                     'search_rest'  '00poprockelectronic':1 '2001':2,3 'electronic':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':4 '2001':5,6 'electronic':7 'heartcore':1A,3C 'kiila':2B 'unsorted':8
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'finnish', 'folk', 'experimental', 'freak folk']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1637350150.1516647  (2021-11-19 20:29:10)
                             'size'  2939769