======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Frankie Cosmos'
                                     'text_people'  'Greta Kline'
                                         'release'  'Vessel'
                                           'title'  'Caramelize'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie pop', 'lo-fi', 'indie', 'female vocalists', 'singer-songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '139.562'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Vessel'
'TBPM' (BPM (beats per minute))                     '139.562'
'TCOM' (Composer)                                   'Greta Kline'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Caramelize'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Frankie Cosmos'
'TPE2' (Band/orchestra/accompaniment)               'Frankie Cosmos'
'TPUB' (Publisher)                                  'Sub Pop'
'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 pop', 'lo-fi', 'indie', 'female vocalists', 'singer-songwriter']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.415349'

========================== row from database ==========================
                                              'id'  1384692
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 - Caramelize.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  ifs-songwriter
                                        'filesize'  8375293
                                           'mtime'  1637330761
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 ifs songwriter
                                      'tag_artist'  Frankie Cosmos
                                     'tag_release'  Vessel
                                       'tag_title'  Caramelize
                                             'bpm'  139.562
                                    'search_title'  'caramelize':1
                                   'search_artist'  'cosmos':2 'frankie':1
                                  'search_release'  'vessel':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':7 'loose':3,4 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 'caramelize':1A 'cosmos':3B 'files':9,10 'frankie':2B 'ifs':11 'loose':7,8 'songwriter':12 'unsorted':6 'vessel':4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie pop', 'lo-fi', 'indie', 'female vocalists', 'singer-songwriter']
                                        'tag_date'  2018
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330761.0668025  (2021-11-19 15:06:01)
                             'size'  8375293