======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'Bonobo'
                                     'text_people'  ''
                                         'release'  'Sweetness'
                                           'title'  'The Sicilian'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '87.977'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sweetness'
'TBPM' (BPM (beats per minute))                     '87.977'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'The Sicilian'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonobo'
'TRCK' (Track number/Position in set)               '8'
'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'
'TXXX:lastfmtags'                                   ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.803582'

========================== row from database ==========================
                                              'id'  1340782
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bonobo/bonobo - sweetness/Bonobo - The Sicilian (Sweetness).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6155515
                                           'mtime'  1636911209
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic bonobo sweetness (Sweetness) electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Bonobo
                                     'tag_release'  Sweetness
                                       'tag_title'  The Sicilian
                                             'bpm'  87.977
                                    'search_title'  'sicilian':2 'the':1
                                   'search_artist'  'bonobo':1
                                  'search_release'  'sweetness':1
                                     'search_rest'  '00poprockelectronic':1 'acid':10 'bonobo':2 'downtempo':9 'electronic':5 'hop':7 'jazz':11 'or':8 'sweetness':3,4 'trip':6
                                    'search_combo'  '00poprockelectronic':5 'acid':14 'bonobo':3B,6 'downtempo':13 'electronic':9 'hop':11 'jazz':15 'or':12 'sicilian':2A 'sweetness':4C,7,8 'the':1A 'trip':10
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911209.1195161  (2021-11-14 18:33:29)
                             'size'  6155515