======================== unified (from filesystem) ========================
                                         'bitrate'  '183.591'
                                        'duration'  '236'
                                          'artist'  'Salt-N-Pepa'
                                     'text_people'  ''
                                         'release'  "Blacks' Magic"
                                           'title'  'Expression'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', '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'  '01'
                                      'tracktotal'  '13'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '107.893'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Blacks' Magic"
'TBPM' (BPM (beats per minute))                     '107.893'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Expression'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Salt-N-Pepa'
'TRCK' (Track number/Position in set)               '01/13'
'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'                                       '3'
'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'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.714585'

========================== row from database ==========================
                                              'id'  1303188
                                            'path'  /data/Music/Bulk/00poprockelectronic/Salt N Peppa/Salt-N-Pepa-Blacks_Magic-Retail-1990-iNT-OSM/01-salt-n-pepa-expression-osm.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  236
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5427605
                                           'mtime'  1620571950
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Peppa Blacks_Magic Retail 1990 iNT OSM 01 salt pepa expression osm hip hop or rnb or rap or turntablism
                                      'tag_artist'  Salt-N-Pepa
                                     'tag_release'  Blacks' Magic
                                       'tag_title'  Expression
                                             'bpm'  107.893
                                    'search_title'  'expression':1
                                   'search_artist'  'n':2 'pepa':3 'salt':1 'saltnpepa':4
                                  'search_release'  'blacks':1,2 'magic':3
                                     'search_rest'  '00poprockelectronic':1 '1990':6 'blacks':3 'expression':11 'hip':12 'hop':13 'i':18 'int':7 'magic':4 'nt':19 'or':14 'osm':8 'pepa':10 'peppa':2 'rap':16 'retail':5 'rnb':15 'salt':9 'turntablism':17
                                    'search_combo'  '00poprockelectronic':9 '1990':14 'blacks':6C,7C,11 'expression':1A,19 'hip':20 'hop':21 'i':26 'int':15 'magic':8C,12 'n':3B 'nt':27 'or':22 'osm':16 'pepa':4B,18 'peppa':10 'rap':24 'retail':13 'rnb':23 'salt':2B,17 'saltnpepa':5B 'turntablism':25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'hip hop', 'rap']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571949.9879084  (2021-05-09 16:52:29)
                             'size'  5427605