======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '520'
                                          'artist'  'Syrinx'
                                     'text_people'  ''
                                         'release'  'Progsoup 21'
                                           'title'  'Acheiropoietes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['french', 'drum and bass', 'progressive rock', 'progressive metal', "
 "'electronic']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '130.063'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 21'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Acheiropoietes'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Syrinx'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['french',
 'drum and bass',
 'progressive rock',
 'progressive metal',
 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.463781'

========================== row from database ==========================
                                              'id'  1413617
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 21/1194 syrinx - acheiropoietes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  520
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12495056
                                           'mtime'  1620736850
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1194 syrinx acheiropoietes rock cppex progressive;set pl progspace
                                      'tag_artist'  Syrinx
                                     'tag_release'  Progsoup 21
                                       'tag_title'  Acheiropoietes
                                             'bpm'  130.063
                                    'search_title'  'acheiropoietes':1
                                   'search_artist'  'syrinx':1
                                  'search_release'  '21':2 'progsoup':1
                                     'search_rest'  '1194':3 'acheiropoietes':5 'classicprogpsy':1 'cppex':7 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11 'syrinx':4
                                    'search_combo'  '1194':7 '21':4C 'acheiropoietes':1A,9 'classicprogpsy':5 'cppex':11 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15 'syrinx':2B,8
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'drum and bass', 'progressive rock', 'progressive metal', 'electronic']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620736849.807656  (2021-05-11 14:40:49)
                             'size'  12495056