======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '192'
                                          'artist'  'Marina & the Diamonds'
                                     'text_people'  ''
                                         'release'  'The Family Jewels'
                                           'title'  'Shampain'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'british', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '115.987'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Family Jewels'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Shampain'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marina & the Diamonds'
'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:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.441395'

========================== row from database ==========================
                                              'id'  454789
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Marina & the Diamonds/The Family Jewels/01 Shampain.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  192
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  6752140
                                           'mtime'  1642256079
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 ifs songwriter rock
                                      'tag_artist'  Marina & the Diamonds
                                     'tag_release'  The Family Jewels
                                       'tag_title'  Shampain
                                             'bpm'  115.987
                                    'search_title'  'shampain':1
                                   'search_artist'  'diamonds':3 'marina':1 'the':2
                                  'search_release'  'family':2 'jewels':3 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':8 'diamonds':4B 'eos':10 'family':6C 'ifs':11 'jewels':7C 'marina':2B 'rock':12 'shampain':1A 'songwriter':9 'the':3B,5C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256079.3148673  (2022-01-15 15:14:39)
                             'size'  6752140