======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '169'
                                          'artist'  'Mad Caddies'
                                     'text_people'  ''
                                         'release'  'Just One More'
                                           'title'  'Silence'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;rock-gr-punk;rock-gr-punk-ska'
                                             'bpm'  '132.185'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Just One More'
'TBPM' (BPM (beats per minute))                     '132.185'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'rock-gr-punk', 'rock-gr-punk-ska']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Silence'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mad Caddies'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.364571'

========================== row from database ==========================
                                              'id'  719887
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/04-mad_caddies-silence.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  169
                                           'genre'  hip hop or rnb or rap or turntablism;rock-gr-punk;rock-gr-punk-ska
                                        'filesize'  4059008
                                           'mtime'  1636912524
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 04 mad_caddies silence hip hop rnb rap turntablism;rock gr punk;rock gr punk ska
                                      'tag_artist'  Mad Caddies
                                     'tag_release'  Just One More
                                       'tag_title'  Silence
                                             'bpm'  132.185
                                    'search_title'  'silence':1
                                   'search_artist'  'caddies':2 'mad':1
                                  'search_release'  'just':1 'more':3 'one':2
                                     'search_rest'  'caddies':6 'gr':14 'hip':8 'hiphop':1 'hop':9 'mad':5 'punk':15,17,19 'rap':2 'rnb':3 'rock':11,13,16,18 'silence':7 'ska':20 'turntablism':4,10,12
                                    'search_combo'  'caddies':3B,12 'gr':20 'hip':14 'hiphop':7 'hop':15 'just':4C 'mad':2B,11 'more':6C 'one':5C 'punk':21,23,25 'rap':8 'rnb':9 'rock':17,19,22,24 'silence':1A,13 'ska':26 'turntablism':10,16,18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636912523.7983196  (2021-11-14 18:55:23)
                             'size'  4059008