======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '700'
                                          'artist'  'IZZ'
                                     'text_people'  ''
                                         'release'  'Progsoup 20'
                                           'title'  'Coming Like Light'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['symphonic prog', 'progressive rock', 'progressive', 'rock']"
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '42'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '143.925'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 20'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Coming Like Light'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'IZZ'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '42'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['symphonic prog', 'progressive rock', 'progressive', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.422193'

========================== row from database ==========================
                                              'id'  1413746
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 20/1165 izz - coming like light.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  700
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  16822272
                                           'mtime'  1620736837
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1165 izz coming like light rock cppex progressive;set pl progspace
                                      'tag_artist'  IZZ
                                     'tag_release'  Progsoup 20
                                       'tag_title'  Coming Like Light
                                             'bpm'  143.925
                                    'search_title'  'coming':1 'light':3 'like':2
                                   'search_artist'  'izz':1
                                  'search_release'  '20':2 'progsoup':1
                                     'search_rest'  '1165':3 'classicprogpsy':1 'coming':5 'cppex':9 'izz':4 'light':7 'like':6 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'set':11,13
                                    'search_combo'  '1165':9 '20':6C 'classicprogpsy':7 'coming':1A,11 'cppex':15 'izz':4B,10 'light':3A,13 'like':2A,12 'pl':20 'progressive':16,18 'progsoup':5C,8 'progspace':21 'rock':14 'set':17,19
                                    'tag_tracknum'  42
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['symphonic prog', 'progressive rock', 'progressive', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736837.1774788  (2021-05-11 14:40:37)
                             'size'  16822272