======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  'Basement Jaxx'
                                     'text_people'  ''
                                         'release'  'Rooty'
                                           'title'  'All I Know'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'pop']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '132.531'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rooty'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'All I Know'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Basement Jaxx'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house']
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'pop']
'TXXX:original release date'                        ['2001', '2001']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.592950'

========================== row from database ==========================
                                              'id'  1327897
                                            'path'  /data/Music/Bulk/00poprockelectronic/Basement Jaxx/Rooy/MBZ;#Basement Jaxx;#Rooty;#13;#All I Know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  electronic-unsorted
                                        'filesize'  2321212
                                           'mtime'  1621696112
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Rooy MBZ;#Basement Jaxx;#Rooty;#13;#All electronic unsorted
                                      'tag_artist'  Basement Jaxx
                                     'tag_release'  Rooty
                                       'tag_title'  All I Know
                                             'bpm'  132.531
                                    'search_title'  'all':1 'i':2 'know':3
                                   'search_artist'  'basement':1 'jaxx':2
                                  'search_release'  'rooty':1
                                     'search_rest'  '00poprockelectronic':1 '13':9,13 'all':10,14 'basement':4,6 'electronic':15 'jaxx':7,11 'mbz':3,5 'rooty':8,12 'rooy':2 'unsorted':16
                                    'search_combo'  '00poprockelectronic':7 '13':15,19 'all':1A,16,20 'basement':4B,10,12 'electronic':21 'i':2A 'jaxx':5B,13,17 'know':3A 'mbz':9,11 'rooty':6C,14,18 'rooy':8 'unsorted':22
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1621696112.0027385  (2021-05-22 17:08:32)
                             'size'  2321212