======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '158'
                                          'artist'  'The Smiths'
                                     'text_people'  'Johnny Mars'
                                         'release'  'Louder Than Bombs'
                                           'title'  'Stretch Out And Wait'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'indie', 'alternative', 'rock', 'new wave']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '24'
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '119.476'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Louder Than Bombs'
'TBPM' (BPM (beats per minute))                     '119.476'
'TCOM' (Composer)                                   'Johnny Mars'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Stretch Out And Wait'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Smiths'
'TPE2' (Band/orchestra/accompaniment)               'The Smiths'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '20/24'
'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', 'indie rock']
'TXXX:lastfmtags'                                   ['80s', 'indie', 'alternative', 'rock', 'new wave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.638894'

========================== row from database ==========================
                                              'id'  1491428
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/20 the smiths - stretch out and wait (1987).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  158
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5095250
                                           'mtime'  1638554744
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 20 the smiths stretch out and wait (1987) ifs songwriter indie unsorted
                                      'tag_artist'  The Smiths
                                     'tag_release'  Louder Than Bombs
                                       'tag_title'  Stretch Out And Wait
                                             'bpm'  119.476
                                    'search_title'  'and':3 'out':2 'stretch':1 'wait':4
                                   'search_artist'  'smiths':2 'the':1
                                  'search_release'  'bombs':3 'louder':1 'than':2
                                     'search_rest'  '00dutch':4 '00mid':1 '1987':12,13 '20':5 'and':10 'europe':3 'ifs':14 'indie':16 'north':2 'out':9 'smiths':7 'songwriter':15 'stretch':8 'the':6 'unsorted':17 'wait':11
                                    'search_combo'  '00dutch':13 '00mid':10 '1987':21,22 '20':14 'and':3A,19 'bombs':9C 'europe':12 'ifs':23 'indie':25 'louder':7C 'north':11 'out':2A,18 'smiths':6B,16 'songwriter':24 'stretch':1A,17 'than':8C 'the':5B,15 'unsorted':26 'wait':4A,20
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'indie', 'alternative', 'rock', 'new wave']
                                        'tag_date'  1987
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554744.108216  (2021-12-03 19:05:44)
                             'size'  5095250