======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '153'
                                          'artist'  'Helma & Selma'
                                     'text_people'  ''
                                         'release'  'Philips P 17332 H'
                                           'title'  'Kom Over De Brug (Cross Over The Bridge)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ambiance', 'nederlandstalig', 'nederlands', 'fout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '128.658'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips P 17332 H'
'TBPM' (BPM (beats per minute))                     '128.658'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Kom Over De Brug (Cross Over The Bridge)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Helma & Selma'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ambiance', 'nederlandstalig', 'nederlands', 'fout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+2.48 dB'
'TXXX:replaygain_track_peak'                        '0.551181'

========================== row from database ==========================
                                              'id'  1430893
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/Helma & Selma - Kom Over De Brug (Cross Over The Bridge) 26-8-1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  153
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  3061554
                                           'mtime'  1621627839
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 26 8 1954 loc eur netherlands;prerock vocal
                                      'tag_artist'  Helma & Selma
                                     'tag_release'  Philips P 17332 H
                                       'tag_title'  Kom Over De Brug (Cross Over The Bridge)
                                             'bpm'  128.658
                                    'search_title'  'bridge':8,9 'brug':4 'cross':5,6 'de':3 'kom':1 'over':2 'the':7
                                   'search_artist'  'helma':1 'selma':2
                                  'search_release'  '17332':3 'h':4 'p':2 'philips':1
                                     'search_rest'  '00oldiepop':5 '1954':6 '26':7 '8':8 'country':4 'eur':10 'exotica':2 'jazz':1 'loc':9 'netherlands':11,13 'oldies':3 'prerock':12,14 'vocal':15
                                    'search_combo'  '00oldiepop':20 '17332':14C '1954':21 '26':22 '8':23 'bridge':8A,9A 'brug':4A 'country':19 'cross':5A,6A 'de':3A 'eur':25 'exotica':17 'h':15C 'helma':10B 'jazz':16 'kom':1A 'loc':24 'netherlands':26,28 'oldies':18 'over':2A 'p':13C 'philips':12C 'prerock':27,29 'selma':11B 'the':7A 'vocal':30
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambiance', 'nederlandstalig', 'nederlands', 'fout']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627838.8642833  (2021-05-21 22:10:38)
                             'size'  3061554