======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '129'
                                          'artist'  'Sleater-Kinney'
                                     'text_people'  ''
                                         'release'  'Everything Is Nice: The Matado'
                                           'title'  'Banned From the End of the Wor'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '86.994'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Everything Is Nice: The Matado'
'TBPM' (BPM (beats per minute))                     '86.994'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Banned From the End of the Wor'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sleater-Kinney'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'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', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.340059'

========================== row from database ==========================
                                              'id'  1265244
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sleater-Kinney/MBZ;#Sleater-Kinney;#Everything Is Nice The Matador Records 10th Anniversary Anthology (disc 2);#04;#Banned From the End of the World.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  129
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4147704
                                           'mtime'  1621697195
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Sleater Kinney;#Everything Matador Records 10th Anniversary Anthology (disc 2);#04;#Banned World ifs songwriter indie rock
                                      'tag_artist'  Sleater-Kinney
                                     'tag_release'  Everything Is Nice: The Matado
                                       'tag_title'  Banned From the End of the Wor
                                             'bpm'  86.994
                                    'search_title'  'banned':1 'end':4 'from':2 'of':5 'the':3 'wor':6
                                   'search_artist'  'kinney':2 'sleater':1 'sleaterkinney':3
                                  'search_release'  'everything':1 'is':2 'matado':6 'nice':3,4 'the':5
                                     'search_rest'  '00singer':1 '04':20,23 '10th':14 '2':19,22 'anniversary':15 'anthology':16 'banned':21,24 'disc':17,18 'eos':3 'everything':9,11 'ifs':26 'indie':27 'kinney':8,10 'matador':12 'mbz':4,6 'records':13 'rock':28 'sleater':5,7 'songwriter':2 'world':25
                                    'search_combo'  '00singer':16 '04':35,38 '10th':29 '2':34,37 'anniversary':30 'anthology':31 'banned':1A,36,39 'disc':32,33 'end':4A 'eos':18 'everything':10C,24,26 'from':2A 'ifs':41 'indie':42 'is':11C 'kinney':8B,23,25 'matado':15C 'matador':27 'mbz':19,21 'nice':12C,13C 'of':5A 'records':28 'rock':43 'sleater':7B,20,22 'sleaterkinney':9B 'songwriter':17 'the':3A,14C 'wor':6A 'world':40
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697195.1966586  (2021-05-22 17:26:35)
                             'size'  4147704