======================== unified (from filesystem) ========================
                                         'bitrate'  '246.359'
                                        'duration'  '238'
                                          'artist'  'Aafke Romeijn'
                                     'text_people'  ''
                                         'release'  'Stella must die!'
                                           'title'  'Stella XVII'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['all', 'photographed', 'female vocalists', 'dutch', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop;loc-eur-netherlands'
                                             'bpm'  '140.335'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Stella must die!'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-pop', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Stella XVII'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aafke Romeijn'
'TPE2' (Band/orchestra/accompaniment)               'Aafke Romeijn'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'photographed', 'female vocalists', 'dutch', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.536864'

========================== row from database ==========================
                                              'id'  933058
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/[LM]Aafke Romeijn - Stella must die!/mp3/Aafke Romeijn - Stella must die! - 01 Stella XVII.mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  238
                                           'genre'  ifs-songwriter-pop;loc-eur-netherlands
                                        'filesize'  7700080
                                           'mtime'  1621629409
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch [LM]Aafke mp3 01 ifs songwriter pop;loc eur netherlands
                                      'tag_artist'  Aafke Romeijn
                                     'tag_release'  Stella must die!
                                       'tag_title'  Stella XVII
                                             'bpm'  140.335
                                    'search_title'  'stella':1 'xvii':2
                                   'search_artist'  'aafke':1 'romeijn':2
                                  'search_release'  'die':3 'must':2 'stella':1
                                     'search_rest'  '00dutch':4 '00mid':1 'aafke':6 'eur':15 'europe':3 'ifs':9 'lm':5 'lmaafke':7 'loc':12,14 'mp3':8 'netherlands':16 'north':2 'pop':11,13 'songwriter':10
                                    'search_combo'  '00dutch':11 '00mid':8 'aafke':3B,13 'die':7C 'eur':22 'europe':10 'ifs':16 'lm':12 'lmaafke':14 'loc':19,21 'mp3':15 'must':6C 'netherlands':23 'north':9 'pop':18,20 'romeijn':4B 'songwriter':17 'stella':1A,5C 'xvii':2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', 'photographed', 'female vocalists', 'dutch', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629408.549297  (2021-05-21 22:36:48)
                             'size'  7700080