======================== unified (from filesystem) ========================
                                         'bitrate'  '131.599'
                                        'duration'  '279'
                                          'artist'  'Jean Pierre Ferland'
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock, Pop & Instruments'
                                           'title'  'Le Chat du Café des Artistes'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['chanson', 'singer-songwriter', 'quebecois', 'quebec', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '140.8'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock, Pop & Instruments'
'TBPM' (BPM (beats per minute))                     '140.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Le Chat du Café des Artistes'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Pierre Ferland'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['chanson', 'singer-songwriter', 'quebecois', 'quebec', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.610804'
'TXXX:youtube'                                      'QkileyX032M'

========================== row from database ==========================
                                              'id'  1477270
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockPopInstrumentals/Jean Pierre Ferland - Le Chat du Café des Artistes-QkileyX032M.mp3
                                         'working'  None
                                         'bitrate'  131
                                    'duration_sec'  279
                                           'genre'  ifs-songwriter
                                        'filesize'  4596943
                                           'mtime'  1637329483
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockPopInstrumentals QkileyX032M ifs songwriter
                                      'tag_artist'  Jean Pierre Ferland
                                     'tag_release'  Dimitri - Folk, Rock, Pop & Instruments
                                       'tag_title'  Le Chat du Café des Artistes
                                             'bpm'  140.8
                                    'search_title'  'artistes':7 'cafe':4,5 'chat':2 'des':6 'du':3 'le':1
                                   'search_artist'  'ferland':3 'jean':1 'pierre':2
                                  'search_release'  'dimitri':1 'folk':2,3 'instruments':7 'pop':6 'rock':4,5
                                     'search_rest'  'folk':5 'folkrockpopinstrumentals':1 'ifs':3 'instrumentals':8 'pop':7 'qkiley':9 'qkileyx032m':2 'rock':6 'songwriter':4 'x032m':10
                                    'search_combo'  'artistes':7A 'cafe':4A,5A 'chat':2A 'des':6A 'dimitri':11C 'du':3A 'ferland':10B 'folk':12C,13C,22 'folkrockpopinstrumentals':18 'ifs':20 'instrumentals':25 'instruments':17C 'jean':8B 'le':1A 'pierre':9B 'pop':16C,24 'qkiley':26 'qkileyx032m':19 'rock':14C,15C,23 'songwriter':21 'x032m':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['chanson', 'singer-songwriter', 'quebecois', 'quebec', 'canadian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329483.2726746  (2021-11-19 14:44:43)
                             'size'  4596943