======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'Four Aces'
                                     'text_people'  ''
                                         'release'  "The Four Aces' Greatest Hits"
                                           'title'  'Love Is A Many-Splendored Thing'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['6 of 10 stars', 'american', 'oldies', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '005'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.580'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "The Four Aces' Greatest Hits"
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Love Is A Many-Splendored Thing'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Four Aces'
'TPUB' (Publisher)                                  'MCA'
'TRCK' (Track number/Position in set)               '005'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['6 of 10 stars', 'american', 'oldies', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.414273'

========================== row from database ==========================
                                              'id'  1444581
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-005 - Four Aces - Love Is A Many-Splendored Thing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  prerock-vocal
                                        'filesize'  7205047
                                           'mtime'  1621853333
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 005 prerock vocal
                                      'tag_artist'  Four Aces
                                     'tag_release'  The Four Aces' Greatest Hits
                                       'tag_title'  Love Is A Many-Splendored Thing
                                             'bpm'  145.58
                                    'search_title'  'a':3 'is':2 'love':1 'many':4 'manysplendored':6 'splendored':5 'thing':7
                                   'search_artist'  'aces':2 'four':1
                                  'search_release'  'aces':3,4 'four':2 'greatest':5 'hits':6 'the':1
                                     'search_rest'  '00oldiepop':5 '1955':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':20 '1955':21 'a':3A 'aces':9B,12C,13C 'country':19 'exotica':17 'four':8B,11C 'greatest':14C 'hits':15C 'is':2A 'jazz':16 'love':1A 'many':4A 'manysplendored':6A 'oldies':18 'prerock':22 'splendored':5A 'the':10C 'thing':7A 'vocal':23
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['6 of 10 stars', 'american', 'oldies', 'pop', 'rock']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853333.1804562  (2021-05-24 12:48:53)
                             'size'  7205047