======================== unified (from filesystem) ========================
                                         'bitrate'  '134.085'
                                        'duration'  '477'
                                          'artist'  'Jan Swerts'
                                     'text_people'  ''
                                         'release'  'Weg'
                                           'title'  'Driekruisenstraat 107'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['electronic', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '125.006'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Weg'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Driekruisenstraat 107'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan Swerts'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.698354'

========================== row from database ==========================
                                              'id'  1284845
                                            'path'  /data/Music/Bulk/00instruments-classical/Jan Swerts - Weg (2010)/JanSwerts-Weg-01-Driekruisenstraat107.mp3
                                         'working'  None
                                         'bitrate'  134
                                    'duration_sec'  477
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  8001550
                                           'mtime'  1620561589
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical (2010) JanSwerts 01 Driekruisenstraat107 prerock classical or classical instruments
                                      'tag_artist'  Jan Swerts
                                     'tag_release'  Weg
                                       'tag_title'  Driekruisenstraat 107
                                             'bpm'  125.006
                                    'search_title'  '107':2 'driekruisenstraat':1
                                   'search_artist'  'jan':1 'swerts':2
                                  'search_release'  'weg':1
                                     'search_rest'  '00instruments':1 '2010':3,4 'classical':2 'driekruisenstraat107':6 'instruments':9 'jan':10 'janswerts':5 'or':8 'prerock':7 'swerts':11
                                    'search_combo'  '00instruments':6 '107':2A '2010':8,9 'classical':7 'driekruisenstraat':1A 'driekruisenstraat107':11 'instruments':14 'jan':3B,15 'janswerts':10 'or':13 'prerock':12 'swerts':4B,16 'weg':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1620561588.6100042  (2021-05-09 13:59:48)
                             'size'  8001550