======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '300'
                                          'artist'  'Fugees'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Killing Me Softly (1996)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'hip hop', 'rap', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '92.391'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.391'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'hip hop or rnb or rap or turntablism']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Killing Me Softly (1996)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fugees'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'hip hop', 'rap', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.67 dB'
'TXXX:replaygain_track_peak'                        '0.987418'

========================== row from database ==========================
                                              'id'  1352309
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/034 - Fugees - Killing Me Softly (1996).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  300
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  4203451
                                           'mtime'  1620566521
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 034 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism
                                      'tag_artist'  Fugees
                                     'tag_release'  None
                                       'tag_title'  Killing Me Softly (1996)
                                             'bpm'  92.391
                                    'search_title'  '1996':4,5 'killing':1 'me':2 'softly':3
                                   'search_artist'  'fugees':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'hip':8,10 'hop':11 'or':5 'radio':6 'rap':13 'rnb':12 'turntablism':14 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':7 '1996':4A,5A '90s':8 'electronic':9 'fugees':6B 'generic':10 'hip':14,16 'hop':17 'killing':1A 'me':2A 'or':11 'radio':12 'rap':19 'rnb':18 'softly':3A 'turntablism':20 'unsorted':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'hip hop', 'rap', 'soul']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566520.505304  (2021-05-09 15:22:00)
                             'size'  4203451