======================== unified (from filesystem) ========================
                                         'bitrate'  '189.598'
                                        'duration'  '210'
                                          'artist'  'Salt-N-Pepa'
                                     'text_people'  ''
                                         'release'  'A Salt With A Deadly Pepa'
                                           'title'  'A Salt With A Deadly Pepa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'female vocalists', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '12'
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '110.062'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Salt With A Deadly Pepa'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1988'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'A Salt With A Deadly Pepa'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Salt-N-Pepa'
'TRCK' (Track number/Position in set)               '02/12'
'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'                                       '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.881508'

========================== row from database ==========================
                                              'id'  1302251
                                            'path'  /data/Music/Bulk/00poprockelectronic/Salt N Peppa/Salt-N-Pepa-Blacks_Magic-Retail-1990-iNT-OSM/Salt-N-Pepa-A_Salt_With_A_Deadly_Pepa-Retail-1988-iNT-OSM/02-salt-n-pepa-a_salt_with_a_deadly_pepa-osm.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  210
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4990297
                                           'mtime'  1620571950
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Peppa Blacks_Magic Retail 1990 iNT OSM A_Salt_With_A_Deadly_Pepa Retail 1988 iNT OSM 02 salt n pepa a_salt_with_a_deadly_pepa osm hip hop or rnb or rap or turntablism
                                      'tag_artist'  Salt-N-Pepa
                                     'tag_release'  A Salt With A Deadly Pepa
                                       'tag_title'  A Salt With A Deadly Pepa
                                             'bpm'  110.062
                                    'search_title'  'a':1 'deadly':4 'pepa':5 'salt':2 'with':3
                                   'search_artist'  'n':2 'pepa':3 'salt':1 'saltnpepa':4
                                  'search_release'  'a':1 'deadly':4 'pepa':5 'salt':2 'with':3
                                     'search_rest'  '00poprockelectronic':1 '1988':15 '1990':6 'a':9,12 'blacks':3 'deadly':13 'hip':19 'hop':20 'i':25 'int':7 'magic':4 'n':17 'nt':26 'or':21 'osm':8 'pepa':14,18 'peppa':2 'rap':23 'retail':5 'rnb':22 'salt':10,16 'turntablism':24 'with':11
                                    'search_combo'  '00poprockelectronic':15 '1988':29 '1990':20 'a':1A,10C,23,26 'blacks':17 'deadly':4A,13C,27 'hip':33 'hop':34 'i':39 'int':21 'magic':18 'n':7B,31 'nt':40 'or':35 'osm':22 'pepa':5A,8B,14C,28,32 'peppa':16 'rap':37 'retail':19 'rnb':36 'salt':2A,6B,11C,24,30 'saltnpepa':9B 'turntablism':38 'with':3A,12C,25
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'hip hop', 'rap']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571950.3554554  (2021-05-09 16:52:30)
                             'size'  4990297