======================== unified (from filesystem) ========================
                                         'bitrate'  '183.31'
                                        'duration'  '329'
                                          'artist'  'Salt-N-Pepa'
                                     'text_people'  ''
                                         'release'  'Brand New'
                                           'title'  'Hold On'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', '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-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'female vocalists', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '91.971'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Comment:XXX'                                  'OSM_iNT #distribution efnet'
'COMM:ID3v1 Comment:XXX'                            'OSM_iNT #distribution efnet'
'TALB' (Album/Movie/Show title)                     'Brand New'
'TBPM' (BPM (beats per minute))                     '91.971'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Hold On'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Salt-N-Pepa'
'TRCK' (Track number/Position in set)               '13'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.83.01, LAME dll 3.90, VBR 1 (New method), Joint Stereo, '
 'Normal quality')
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'female vocalists', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.576511'

========================== row from database ==========================
                                              'id'  1314172
                                            'path'  /data/Music/Bulk/00poprockelectronic/Salt N Peppa/Salt-N-Pepa-Brand_New-1997-iNT-OSM/13-salt-n-pepa-hold_on-osm.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  329
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7545024
                                           'mtime'  1620571952
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Peppa Brand_New 1997 iNT OSM 13 salt pepa hold_on osm hip hop or rnb or rap or turntablism
                                      'tag_artist'  Salt-N-Pepa
                                     'tag_release'  Brand New
                                       'tag_title'  Hold On
                                             'bpm'  91.971
                                    'search_title'  'hold':1 'on':2
                                   'search_artist'  'n':2 'pepa':3 'salt':1 'saltnpepa':4
                                  'search_release'  'brand':1 'new':2
                                     'search_rest'  '00poprockelectronic':1 '1997':5 'brand':3 'hip':12 'hold':10 'hop':13 'i':18 'int':6 'new':4 'nt':19 'on':11 'or':14 'osm':7 'pepa':9 'peppa':2 'rap':16 'rnb':15 'salt':8 'turntablism':17
                                    'search_combo'  '00poprockelectronic':9 '1997':13 'brand':7C,11 'hip':20 'hold':1A,18 'hop':21 'i':26 'int':14 'n':4B 'new':8C,12 'nt':27 'on':2A,19 'or':22 'osm':15 'pepa':5B,17 'peppa':10 'rap':24 'rnb':23 'salt':3B,16 'saltnpepa':6B 'turntablism':25
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'hip hop', 'rap']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571951.7520168  (2021-05-09 16:52:31)
                             'size'  7545024