======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '244'
                                          'artist'  'My Vitriol'
                                     'text_people'  ''
                                         'release'  'Finelines Promo'
                                           'title'  'Ode To the Red Queen'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'shoegaze', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '85.851'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Finelines Promo'
'TBPM' (BPM (beats per minute))                     '85.851'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Ode To the Red Queen'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'My Vitriol'
'TRCK' (Track number/Position in set)               '09'
'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'                                   ['alternative rock', 'shoegaze', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.339070'

========================== row from database ==========================
                                              'id'  1373555
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/My Vitriol/Finelines/09 - My Vitriol - Ode To The Red Queen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  244
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3917451
                                           'mtime'  1621697332
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 09 The ifs songwriter indie rock
                                      'tag_artist'  My Vitriol
                                     'tag_release'  Finelines Promo
                                       'tag_title'  Ode To the Red Queen
                                             'bpm'  85.851
                                    'search_title'  'ode':1 'queen':5 'red':4 'the':3 'to':2
                                   'search_artist'  'my':1 'vitriol':2
                                  'search_release'  'finelines':1 'promo':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':5 'indie':7 'indierock':3 'poprock':2 'rock':8 'songwriter':6 'the':4
                                    'search_combo'  '00poprockelectronic':10 'finelines':8C 'ifs':14 'indie':16 'indierock':12 'my':6B 'ode':1A 'poprock':11 'promo':9C 'queen':5A 'red':4A 'rock':17 'songwriter':15 'the':3A,13 'to':2A 'vitriol':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'shoegaze', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697332.4484503  (2021-05-22 17:28:52)
                             'size'  3917451