======================== unified (from filesystem) ========================
                                         'bitrate'  '186.378'
                                        'duration'  '485'
                                          'artist'  'Øresund Space Collective'
                                     'text_people'  'Øresund Space Collective'
                                         'release'  'The Black Tomato'
                                           'title'  'Rumble Part IV'
                                           '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-2', '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'  '04'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '137.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Black Tomato'
'TBPM' (BPM (beats per minute))                     '137.7'
'TCOM' (Composer)                                   'Øresund Space Collective'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Rumble Part IV'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Øresund Space Collective'
'TPE2' (Band/orchestra/accompaniment)               'Øresund Space Collective'
'TRCK' (Track number/Position in set)               '04'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98 (beta 8, May 21 2008) (http://www.mp3dev.org/)'
'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'                                      '2'
'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'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.436606'

========================== row from database ==========================
                                              'id'  1415084
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Øresund Space Collective/Øresund Space Collective - 2007 - The Black Tomato/04 - Rumble Part IV.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  485
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  11536924
                                           'mtime'  1620736260
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2007 04 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Øresund Space Collective
                                     'tag_release'  The Black Tomato
                                       'tag_title'  Rumble Part IV
                                             'bpm'  137.7
                                    'search_title'  'iv':3 'part':2 'rumble':1
                                   'search_artist'  'collective':4 'oresund':2 'space':3 'øresund':1
                                  'search_release'  'black':2 'the':1 'tomato':3
                                     'search_rest'  '2007':2 'classicprogpsy':1 'cppex':4 'pl':10 'progspace':11 'psychedelic':5 'rock':3 'set':7,9 'space':6,8
                                    'search_combo'  '2007':12 'black':9C 'classicprogpsy':11 'collective':7B 'cppex':14 'iv':3A 'oresund':5B 'part':2A 'pl':20 'progspace':21 'psychedelic':15 'rock':13 'rumble':1A 'set':17,19 'space':6B,16,18 'the':8C 'tomato':10C 'øresund':4B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', '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'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736260.4784217  (2021-05-11 14:31:00)
                             'size'  11536924