======================== unified (from filesystem) ========================
                                         'bitrate'  '242.081'
                                        'duration'  '793'
                                          'artist'  'Øresund Space Collective'
                                     'text_people'  ''
                                         'release'  'Out Into Space'
                                           'title'  'Circular Perimeter'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', "
 "'stoner rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '124.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'adogg'
'TALB' (Album/Movie/Show title)                     'Out Into Space'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Circular Perimeter'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Øresund Space Collective'
'TPE2' (Band/orchestra/accompaniment)               'Øresund Space Collective'
'TPOS' (Part of a set)                              '2'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock',
 'space rock',
 'psychedelic rock',
 'psychedelic',
 'stoner rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.538934'

========================== row from database ==========================
                                              'id'  1412585
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Øresund Space Collective/Øresund Space Collective - Out into Space (2015)/2-03-Circular Perimeter.mp3
                                         'working'  None
                                         'bitrate'  242
                                    'duration_sec'  793
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  24848401
                                           'mtime'  1620736279
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy into (2015) 2 03 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Øresund Space Collective
                                     'tag_release'  Out Into Space
                                       'tag_title'  Circular Perimeter
                                             'bpm'  124.6
                                    'search_title'  'circular':1 'perimeter':2
                                   'search_artist'  'collective':4 'oresund':2 'space':3 'øresund':1
                                  'search_release'  'into':2 'out':1 'space':3
                                     'search_rest'  '2':5 '2015':3,4 'classicprogpsy':1 'cppex':7 'into':2 'pl':13 'progspace':14 'psychedelic':8 'rock':6 'set':10,12 'space':9,11
                                    'search_combo'  '2':14 '2015':12,13 'circular':1A 'classicprogpsy':10 'collective':6B 'cppex':16 'into':8C,11 'oresund':4B 'out':7C 'perimeter':2A 'pl':22 'progspace':23 'psychedelic':17 'rock':15 'set':19,21 'space':5B,9C,18,20 'øresund':3B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'stoner rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736279.2037456  (2021-05-11 14:31:19)
                             'size'  24848401