======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '252'
                                          'artist'  'Prodigy'
                                     'text_people'  ''
                                         'release'  'Experience'
                                           'title'  'Everybody In The Place'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rave', 'electronic', 'hip hop', 'big beat', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '124.163'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Experience'
'TBPM' (BPM (beats per minute))                     '124.163'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Everybody In The Place'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prodigy'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.520640'

========================== row from database ==========================
                                              'id'  1324217
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/MBZ;#Prodigy;#Experience;#08;#Everybody In The Place.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  252
                                           'genre'  electronic-unsorted
                                        'filesize'  4034060
                                           'mtime'  1620665631
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Prodigy;#Experience;#08;#Everybody electronic unsorted
                                      'tag_artist'  Prodigy
                                     'tag_release'  Experience
                                       'tag_title'  Everybody In The Place
                                             'bpm'  124.163
                                    'search_title'  'everybody':1 'in':2 'place':4 'the':3
                                   'search_artist'  'prodigy':1
                                  'search_release'  'experience':1
                                     'search_rest'  '00poprockelectronic':1 '08':5,10 'electronic':12 'everybody':6,11 'experience':4,9 'mbz':2,7 'prodigy':3,8 'unsorted':13
                                    'search_combo'  '00poprockelectronic':7 '08':11,16 'electronic':18 'everybody':1A,12,17 'experience':6C,10,15 'in':2A 'mbz':8,13 'place':4A 'prodigy':5B,9,14 'the':3A 'unsorted':19
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-3', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
                                        'tag_date'  1992
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620665630.724611  (2021-05-10 18:53:50)
                             'size'  4034060