======================== unified (from filesystem) ========================
                                         'bitrate'  '197.257'
                                        'duration'  '186'
                                          'artist'  'Beastie Boys'
                                     'text_people'  'Beastie Boys'
                                         'release'  'The Sounds Of Science (Disc 2)'
                                           'title'  'Live Wire'
                                           '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-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'hip hop', 'rap', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '21'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '115.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Sounds Of Science (Disc 2)'
'TBPM' (BPM (beats per minute))                     '115.7'
'TCOM' (Composer)                                   'Beastie Boys'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Live Wire'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beastie Boys'
'TPE2' (Band/orchestra/accompaniment)               'Beastie Boys'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '16/21'
'TXXX:Encoding Params'                              'vers'
'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:iTunes_CDDB_IDs'                              '21+EFCCB3B35363DD9A193030FA7F1C8952+667256'
'TXXX:lastfmtags'                                   ['alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.572274'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1385501
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Beastie Boys - The Sounds Of Science (Disc 2)/2-16 Live Wire.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  186
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4598139
                                           'mtime'  1620586920
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 16 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Beastie Boys
                                     'tag_release'  The Sounds Of Science (Disc 2)
                                       'tag_title'  Live Wire
                                             'bpm'  115.7
                                    'search_title'  'live':1 'wire':2
                                   'search_artist'  'beastie':1 'boys':2
                                  'search_release'  '2':7,8 'disc':5,6 'of':3 'science':4 'sounds':2 'the':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2':11C,12C 'beastie':3B 'boys':4B 'disc':9C,10C 'hip':17 'hiphop':13 'hop':18 'live':1A 'of':7C 'or':19 'rap':14 'rnb':15 'science':8C 'sounds':6C 'the':5C 'turntablism':16 'wire':2A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586919.8147824  (2021-05-09 21:01:59)
                             'size'  4598139