======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '250'
                                          'artist'  'Lamb'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Gabriel (Veena Harlem Remix Radio Edit)'
                                           '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-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '128.251'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.251'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Gabriel (Veena Harlem Remix Radio Edit)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamb'
'TRCK' (Track number/Position in set)               '9'
'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', 'electronic', 'female vocalists', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.16 dB'
'TXXX:replaygain_track_peak'                        '0.535970'

========================== row from database ==========================
                                              'id'  982877
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0calmer/Lamb/09 - Gabriel (Veena Harlem Remix Radio Edit).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  250
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6006262
                                           'mtime'  1636910003
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0calmer 09 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Lamb
                                     'tag_release'  None
                                       'tag_title'  Gabriel (Veena Harlem Remix Radio Edit)
                                             'bpm'  128.251
                                    'search_title'  'edit':7,8 'gabriel':1 'harlem':4 'radio':6 'remix':5 'veena':2,3
                                   'search_artist'  'lamb':1
                                  'search_release'  
                                     'search_rest'  '0calmer':1 'acid':7 'downtempo':6 'electronic':2 'hop':4 'jazz':8 'or':5 'trip':3
                                    'search_combo'  '0calmer':10 'acid':16 'downtempo':15 'edit':7A,8A 'electronic':11 'gabriel':1A 'harlem':4A 'hop':13 'jazz':17 'lamb':9B 'or':14 'radio':6A 'remix':5A 'trip':12 'veena':2A,3A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910002.8150325  (2021-11-14 18:13:22)
                             'size'  6006262