======================== unified (from filesystem) ========================
                                         'bitrate'  '211.265'
                                        'duration'  '229'
                                          'artist'  'Zero 7'
                                     'text_people'  ''
                                         'release'  'The Garden'
                                           'title'  'Futures'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz;set-pl-sced'
                                             'bpm'  '141.314'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Garden'
'TBPM' (BPM (beats per minute))                     '141.314'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-trip hop or downtempo or acid jazz', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modified'
'TIT2' (Title/songname/content description)         'Futures'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Zero 7'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.502922'

========================== row from database ==========================
                                              'id'  1318745
                                            'path'  /data/Music/Bulk/00poprockelectronic/Zero 7/The Garden/01-zero_7-futures-uf.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  229
                                           'genre'  electronic-trip hop or downtempo or acid jazz;set-pl-sced
                                        'filesize'  6066874
                                           'mtime'  1636911471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 zero_7 futures uf electronic trip hop or downtempo or acid jazz;set pl sced
                                      'tag_artist'  Zero 7
                                     'tag_release'  The Garden
                                       'tag_title'  Futures
                                             'bpm'  141.314
                                    'search_title'  'futures':1
                                   'search_artist'  '7':2 'zero':1
                                  'search_release'  'garden':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '7':3 'acid':11 'downtempo':10 'electronic':6 'futures':4 'hop':8 'jazz':12,14 'or':9 'pl':16 'sced':17 'set':13,15 'trip':7 'uf':5 'zero':2
                                    'search_combo'  '00poprockelectronic':6 '7':3B,8 'acid':16 'downtempo':15 'electronic':11 'futures':1A,9 'garden':5C 'hop':13 'jazz':17,19 'or':14 'pl':21 'sced':22 'set':18,20 'the':4C 'trip':12 'uf':10 'zero':2B,7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636911470.514358  (2021-11-14 18:37:50)
                             'size'  6066874