======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '311'
                                          'artist'  'Arkus'
                                     'text_people'  ''
                                         'release'  'Progsoup 37'
                                           'title'  'Mystic'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['neo progressive rock', 'netherlands', 'progressive rock', 'progressive', "
 "'neo prog']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '84.738'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 37'
'TBPM' (BPM (beats per minute))                     '84.738'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Mystic'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arkus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'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:lastfmtags'                                   ['neo progressive rock',
 'netherlands',
 'progressive rock',
 'progressive',
 'neo prog']
'TXXX:q-bass'                                       '1'
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.81 dB'
'TXXX:replaygain_track_peak'                        '0.855708'

========================== row from database ==========================
                                              'id'  1413983
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 37/2154 arkus - mystic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  311
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12461654
                                           'mtime'  1620737282
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2154 arkus mystic rock cppex progressive;set pl progspace
                                      'tag_artist'  Arkus
                                     'tag_release'  Progsoup 37
                                       'tag_title'  Mystic
                                             'bpm'  84.738
                                    'search_title'  'mystic':1
                                   'search_artist'  'arkus':1
                                  'search_release'  '37':2 'progsoup':1
                                     'search_rest'  '2154':3 'arkus':4 'classicprogpsy':1 'cppex':7 'mystic':5 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11
                                    'search_combo'  '2154':7 '37':4C 'arkus':2B,8 'classicprogpsy':5 'cppex':11 'mystic':1A,9 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['neo progressive rock', 'netherlands', 'progressive rock', 'progressive', 'neo prog']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737282.3757555  (2021-05-11 14:48:02)
                             'size'  12461654