======================== unified (from filesystem) ========================
                                         'bitrate'  '144.0'
                                        'duration'  '193'
                                          'artist'  'Opgezwolle'
                                     'text_people'  ''
                                         'release'  'Vloeistof'
                                           'title'  'Tjappies En Mammies'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['hiphop', 'dutch', 'nederhop', 'rap', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '87.977'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vloeistof'
'TBPM' (BPM (beats per minute))                     '87.977'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Tjappies En Mammies'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Opgezwolle'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['hiphop', 'dutch', 'nederhop', 'rap', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.387261'

========================== row from database ==========================
                                              'id'  1249809
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Opgezwolle/Opgezwolle - Vloeistof (2003, Top Notch)/08 - Tjappies En Mammies.mp3
                                         'working'  None
                                         'bitrate'  144
                                    'duration_sec'  193
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3487623
                                           'mtime'  1620586392
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism (2003, Top Notch) 08 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Opgezwolle
                                     'tag_release'  Vloeistof
                                       'tag_title'  Tjappies En Mammies
                                             'bpm'  87.977
                                    'search_title'  'en':2 'mammies':3 'tjappies':1
                                   'search_artist'  'opgezwolle':1
                                  'search_release'  'vloeistof':1
                                     'search_rest'  '2003':5,6 'hip':10 'hiphop':1 'hop':11 'notch':8,9 'or':12 'rap':2 'rnb':3 'top':7 'turntablism':4
                                    'search_combo'  '2003':10,11 'en':2A 'hip':15 'hiphop':6 'hop':16 'mammies':3A 'notch':13,14 'opgezwolle':4B 'or':17 'rap':7 'rnb':8 'tjappies':1A 'top':12 'turntablism':9 'vloeistof':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['hiphop', 'dutch', 'nederhop', 'rap', 'hip hop']
                                        'tag_date'  2003
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586391.784561  (2021-05-09 20:53:11)
                             'size'  3487623