======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '301'
                                          'artist'  'Wim Sonneveld'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Verliefd Op Juffrouw Van Dam'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'cabaret', 'singer songwriter', 'carnaval', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '130.230'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.230'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Verliefd Op Juffrouw Van Dam'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wim Sonneveld'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', 'cabaret', 'singer songwriter', 'carnaval', 'dutch']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.567266'

========================== row from database ==========================
                                              'id'  1431481
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/Wim Sonneveld - Verliefd Op Juffrouw van Dam (Live) 1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  301
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  6035250
                                           'mtime'  1621627855
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 van (Live) 1954 loc eur netherlands;prerock vocal
                                      'tag_artist'  Wim Sonneveld
                                     'tag_release'  None
                                       'tag_title'  Verliefd Op Juffrouw Van Dam
                                             'bpm'  130.23
                                    'search_title'  'dam':5 'juffrouw':3 'op':2 'van':4 'verliefd':1
                                   'search_artist'  'sonneveld':2 'wim':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1954':6 'country':4 'eur':11 'exotica':2 'jazz':1 'live':8,9 'loc':10 'netherlands':12,14 'oldies':3 'prerock':13,15 'van':7 'vocal':16
                                    'search_combo'  '00oldiepop':12 '1954':13 'country':11 'dam':5A 'eur':18 'exotica':9 'jazz':8 'juffrouw':3A 'live':15,16 'loc':17 'netherlands':19,21 'oldies':10 'op':2A 'prerock':20,22 'sonneveld':7B 'van':4A,14 'verliefd':1A 'vocal':23 'wim':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'cabaret', 'singer songwriter', 'carnaval', 'dutch']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627855.2868588  (2021-05-21 22:10:55)
                             'size'  6035250