======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '240'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  'Benny Andersson / Björn Ulvaeus / Tim Rice'
                                         'release'  'Nights in White Satin'
                                           'title'  'I know him so well'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ;set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '140.4'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nights in White Satin'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCOM' (Composer)                                   'Benny Andersson / Björn Ulvaeus / Tim Rice'
'TCON' (Content type, a.k.a. Genre)                 ['mi-earlysynth-organ', 'set-cover or covered-styled', 'set-cover or covered']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'I know him so well'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.500852'

========================== row from database ==========================
                                              'id'  1317470
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/klaus wunderlich - 1994 - nights in white satin/I know him so well.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  240
                                           'genre'  mi-earlysynth-organ;set-cover or covered-styled;set-cover or covered
                                        'filesize'  9653268
                                           'mtime'  1620528052
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad klaus wunderlich 1994 nights white satin mi earlysynth organ;set cover or covered styled;set cover or covered
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  Nights in White Satin
                                       'tag_title'  I know him so well
                                             'bpm'  140.4
                                    'search_title'  'him':3 'i':1 'know':2 'so':4 'well':5
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  'in':2 'nights':1 'satin':4 'white':3
                                     'search_rest'  '00spent':1 '0justbad':2 '1994':5 'cover':15 'covered':17 'earlysynth':10 'klaus':3 'mi':9 'nights':6 'or':16 'organ':11,13 'satin':8 'set':12,14,19,21 'styled':18,20 'white':7 'wunderlich':4
                                    'search_combo'  '00spent':12 '0justbad':13 '1994':16 'cover':26 'covered':28 'earlysynth':21 'him':3A 'i':1A 'in':9C 'klaus':6B,14 'know':2A 'mi':20 'nights':8C,17 'or':27 'organ':22,24 'satin':11C,19 'set':23,25,30,32 'so':4A 'styled':29,31 'well':5A 'white':10C,18 'wunderlich':7B,15
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528052.301221  (2021-05-09 04:40:52)
                             'size'  9653268