======================== unified (from filesystem) ========================
                                         'bitrate'  '258.227'
                                        'duration'  '324'
                                          'artist'  'Battles'
                                     'text_people'  ''
                                         'release'  'Progsoup 37'
                                           'title'  'Wall Street'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['math rock', 'instrumental', 'indie', 'post rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '145.476'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 37'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Wall Street'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Battles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '25'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['math rock', 'instrumental', 'indie', 'post rock', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.52 dB'
'TXXX:replaygain_track_peak'                        '0.457649'

========================== row from database ==========================
                                              'id'  1416828
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 37/2156 battles - wall street.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  324
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10494658
                                           'mtime'  1620737287
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2156 battles wall street rock cppex progressive
                                      'tag_artist'  Battles
                                     'tag_release'  Progsoup 37
                                       'tag_title'  Wall Street
                                             'bpm'  145.476
                                    'search_title'  'street':2 'wall':1
                                   'search_artist'  'battles':1
                                  'search_release'  '37':2 'progsoup':1
                                     'search_rest'  '2156':3 'battles':4 'classicprogpsy':1 'cppex':8 'progressive':9 'progsoup':2 'rock':7 'street':6 'wall':5
                                    'search_combo'  '2156':8 '37':5C 'battles':3B,9 'classicprogpsy':6 'cppex':13 'progressive':14 'progsoup':4C,7 'rock':12 'street':2A,11 'wall':1A,10
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['math rock', 'instrumental', 'indie', 'post rock', 'experimental']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737286.807928  (2021-05-11 14:48:06)
                             'size'  10494658