======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'Anti-Flag'
                                     'text_people'  ''
                                         'release'  'A New Kind of Army'
                                           'title'  "What you Don't Know"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'political punk', 'rock']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '135.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A New Kind of Army'
'TBPM' (BPM (beats per minute))                     '135.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "What you Don't Know"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anti-Flag'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'political punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.688924'

========================== row from database ==========================
                                              'id'  1498964
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Anti-Flag - Anti Flag/A New Kind Of Army/Anti Flag - What you Don_t Know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  rock-gr-punk
                                        'filesize'  2606394
                                           'mtime'  1622658924
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Of Don_t rock gr punk
                                      'tag_artist'  Anti-Flag
                                     'tag_release'  A New Kind of Army
                                       'tag_title'  What you Don't Know
                                             'bpm'  135.9
                                    'search_title'  'don':3 'dont':5 'know':6 't':4 'what':1 'you':2
                                   'search_artist'  'anti':1 'antiflag':3 'flag':2
                                  'search_release'  'a':1 'army':5 'kind':3 'new':2 'of':4
                                     'search_rest'  'don':6 'garage':2 'gr':9 'of':5 'punk':1 'rock':8 'stoner':4 'surf':3 't':7
                                    'search_combo'  'a':10C 'anti':7B 'antiflag':9B 'army':14C 'don':3A,20 'dont':5A 'flag':8B 'garage':16 'gr':23 'kind':12C 'know':6A 'new':11C 'of':13C,19 'punk':15 'rock':22 'stoner':18 'surf':17 't':4A,21 'what':1A 'you':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'political punk', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1622658924.2187417  (2021-06-02 20:35:24)
                             'size'  2606394