======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '231'
                                          'artist'  'Vanessa Daou'
                                     'text_people'  ''
                                         'release'  'Slow to Burn'
                                           'title'  'How Do You Feel'
                                           '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-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'female vocalists', 'jazz', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '108.297'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Slow to Burn'
'TBPM' (BPM (beats per minute))                     '108.297'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'How Do You Feel'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vanessa Daou'
'TRCK' (Track number/Position in set)               '1'
'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:lastfmtags'                                   ['electronica', 'female vocalists', 'jazz', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.544852'

========================== row from database ==========================
                                              'id'  1310115
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Vanessa Daou/01 - how do you feel.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  231
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5553677
                                           'mtime'  1636911080
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 01 how do you feel electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Vanessa Daou
                                     'tag_release'  Slow to Burn
                                       'tag_title'  How Do You Feel
                                             'bpm'  108.297
                                    'search_title'  'do':2 'feel':4 'how':1 'you':3
                                   'search_artist'  'daou':2 'vanessa':1
                                  'search_release'  'burn':3 'slow':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':12 'do':4 'downtempo':11 'electronic':7 'feel':6 'hop':9 'how':3 'jazz':13 'or':10 'trip':8 'you':5
                                    'search_combo'  '00poprockelectronic':10 '00trip':11 'acid':21 'burn':9C 'daou':6B 'do':2A,13 'downtempo':20 'electronic':16 'feel':4A,15 'hop':18 'how':1A,12 'jazz':22 'or':19 'slow':7C 'to':8C 'trip':17 'vanessa':5B 'you':3A,14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'jazz', 'trip hop', 'chillout']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911080.0726552  (2021-11-14 18:31:20)
                             'size'  5553677