======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '308'
                                          'artist'  'Ofra Haza'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lefelach Harimon'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'israeli', 'female vocalists', 'israel', 'hebrew']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-m-israel'
                                             'bpm'  '87.977'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '87.977'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-israel'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Lefelach Harimon'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ofra Haza'
'TXXX:Mp3gain_minmax'                               '139,194'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['world', 'israeli', 'female vocalists', 'israel', 'hebrew']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.607010'

========================== row from database ==========================
                                              'id'  1320368
                                            'path'  /data/Music/Bulk/00poprockelectronic/Ofra Haza/Ofra Haza - Lefelach Harimon.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  loc-m-israel
                                        'filesize'  4930494
                                           'mtime'  1620526996
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic loc israel
                                      'tag_artist'  Ofra Haza
                                     'tag_release'  None
                                       'tag_title'  Lefelach Harimon
                                             'bpm'  87.977
                                    'search_title'  'harimon':2 'lefelach':1
                                   'search_artist'  'haza':2 'ofra':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'israel':3 'loc':2
                                    'search_combo'  '00poprockelectronic':5 'harimon':2A 'haza':4B 'israel':7 'lefelach':1A 'loc':6 'ofra':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['world', 'israeli', 'female vocalists', 'israel', 'hebrew']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526995.648115  (2021-05-09 04:23:15)
                             'size'  4930494