======================== unified (from filesystem) ========================
                                         'bitrate'  '264.459'
                                        'duration'  '246'
                                          'artist'  'The Avalanches'
                                     'text_people'  ''
                                         'release'  'Since I Left You'
                                           'title'  'A Different Feeling'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'turntablism', 'australian', 'electronic', 'dance']"
                                     'discogstags'  "['electronic', 'abstract', 'downtempo', 'breaks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '111.028'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Since I Left You'
'TBPM' (BPM (beats per minute))                     '111.028'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'A Different Feeling'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Avalanches'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'abstract', 'downtempo', 'breaks']
'TXXX:lastfmtags'                                   ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.453283'

========================== row from database ==========================
                                              'id'  1330051
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Avalanches/MBZ;#The Avalanches;#Since I Left You;#09;#A Different Feeling.mp3
                                         'working'  None
                                         'bitrate'  264
                                    'duration_sec'  246
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8152552
                                           'mtime'  1620572190
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Avalanches;#Since You;#09;#A hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Avalanches
                                     'tag_release'  Since I Left You
                                       'tag_title'  A Different Feeling
                                             'bpm'  111.028
                                    'search_title'  'a':1 'different':2 'feeling':3
                                   'search_artist'  'avalanches':2 'the':1
                                  'search_release'  'i':2 'left':3 'since':1 'you':4
                                     'search_rest'  '00poprockelectronic':1 '09':11,14 'a':12,15 'avalanches':6,8 'hip':16 'hop':17 'mbz':2,4 'or':18 'rap':20 'rnb':19 'since':7,9 'the':3,5 'turntablism':21 'you':10,13
                                    'search_combo'  '00poprockelectronic':10 '09':20,23 'a':1A,21,24 'avalanches':5B,15,17 'different':2A 'feeling':3A 'hip':25 'hop':26 'i':7C 'left':8C 'mbz':11,13 'or':27 'rap':29 'rnb':28 'since':6C,16,18 'the':4B,12,14 'turntablism':30 'you':9C,19,22
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'abstract', 'downtempo', 'breaks']

============================== file details ==============================
                                           'mtime'  1620572190.1499636  (2021-05-09 16:56:30)
                             'size'  8152552