======================== unified (from filesystem) ========================
                                         'bitrate'  '189.733'
                                        'duration'  '184'
                                          'artist'  'Elliott Smith'
                                     'text_people'  ''
                                         'release'  'Figure 8'
                                           'title'  'Son Of Sam'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk'
                                             'bpm'  '96.668'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=242, count=0)
'TALB' (Album/Movie/Show title)                     'Figure 8'
'TBPM' (BPM (beats per minute))                     '96.668'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Son Of Sam'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elliott Smith'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.421230'

========================== row from database ==========================
                                              'id'  1267737
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Elliott Smith/Figure 8/01. son of sam.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  184
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  4403152
                                           'mtime'  1637330495
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01. son of sam ifs songwriter indie;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Elliott Smith
                                     'tag_release'  Figure 8
                                       'tag_title'  Son Of Sam
                                             'bpm'  96.668
                                    'search_title'  'of':2 'sam':3 'son':1
                                   'search_artist'  'elliott':1 'smith':2
                                  'search_release'  '8':2 'figure':1
                                     'search_rest'  '00singer':1 '01':4,5 'eos':3 'folk':19 'ifs':9,11,13,16,18 'indie':10,12,14 'of':7 'pop':15,17 'sam':8 'son':6 'songwriter':2
                                    'search_combo'  '00singer':8 '01':11,12 '8':7C 'elliott':4B 'eos':10 'figure':6C 'folk':26 'ifs':16,18,20,23,25 'indie':17,19,21 'of':2A,14 'pop':22,24 'sam':3A,15 'smith':5B 'son':1A,13 'songwriter':9
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330495.0660279  (2021-11-19 15:01:35)
                             'size'  4403152