======================== unified (from filesystem) ========================
                                         'bitrate'  '184.72'
                                        'duration'  '560'
                                          'artist'  'Moloko'
                                     'text_people'  ''
                                         'release'  'Things to Make and Do'
                                           'title'  'Sing It Back (Boris Musical mi'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', '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', 'female vocalists', 'electronic', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '123.032'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Things to Make and Do'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Sing It Back (Boris Musical mi'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moloko'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'house', 'female vocalists', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.532581'

========================== row from database ==========================
                                              'id'  1358350
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Moloko/Things To Make And Do/Moloko - Things To Make And Do - 18 - Sing It Back (Boris Musical Mix).mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  560
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  12937885
                                           'mtime'  1636910802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip To And To And 18 Mix) electronic trip hop downtempo acid jazz
                                      'tag_artist'  Moloko
                                     'tag_release'  Things to Make and Do
                                       'tag_title'  Sing It Back (Boris Musical mi
                                             'bpm'  123.032
                                    'search_title'  'back':3 'boris':4,5 'it':2 'mi':7 'musical':6 'sing':1
                                   'search_artist'  'moloko':1
                                  'search_release'  'and':4 'do':5 'make':3 'things':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '18':5 'acid':12 'and':4 'downtempo':11 'electronic':8 'hop':10 'jazz':13 'mix':6,7 'to':3 'trip':9
                                    'search_combo'  '00poprockelectronic':14 '00trip':15 '18':18 'acid':25 'and':12C,17 'back':3A 'boris':4A,5A 'do':13C 'downtempo':24 'electronic':21 'hop':23 'it':2A 'jazz':26 'make':11C 'mi':7A 'mix':19,20 'moloko':8B 'musical':6A 'sing':1A 'things':9C 'to':10C,16 'trip':22
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  2A
                                           '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-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'female vocalists', 'electronic', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910801.99322  (2021-11-14 18:26:41)
                             'size'  12937885