======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '345'
                                          'artist'  'Black Book'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'You Must Change (Mystery Woman)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['italo disco']"
                                     'discogstags'  "['italo-disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '119.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '119.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'You Must Change (Mystery Woman)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Book'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['italo-disco', 'electronic']
'TXXX:lastfmtags'                                   'italo disco'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.515159'

========================== row from database ==========================
                                              'id'  1352171
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Black Book - You Must Change (Mystery Woman).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  345
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  13822870
                                           'mtime'  1620569898
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we disco or italo
                                      'tag_artist'  Black Book
                                     'tag_release'  Italo
                                       'tag_title'  You Must Change (Mystery Woman)
                                             'bpm'  119.1
                                    'search_title'  'change':3 'must':2 'mystery':4,5 'woman':6,7 'you':1
                                   'search_artist'  'black':1 'book':2
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'disco':4 'electronic':2 'italo':6 'or':5 'we':3
                                    'search_combo'  '00poprockelectronic':11 'black':8B 'book':9B 'change':3A 'disco':14 'electronic':12 'italo':10C,16 'must':2A 'mystery':4A,5A 'or':15 'we':13 'woman':6A,7A 'you':1A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-1', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['italo disco']
                                        'tag_date'  2006
                                     'discogstags'  ['italo-disco', 'electronic']

============================== file details ==============================
                                           'mtime'  1620569898.0855663  (2021-05-09 16:18:18)
                             'size'  13822870