======================== unified (from filesystem) ========================
                                         'bitrate'  '270.622'
                                        'duration'  '342'
                                          'artist'  'Bruce Haack'
                                     'text_people'  ''
                                         'release'  'Haackula'
                                           'title'  'Man Kind'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', '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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '108.2'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:Songs-DB_Custom1:XXX'                         'Avantgarde, Experimental'
'COMM:Songs-DB_Custom2:XXX'                         'The Omni Recording Corporation'
'COMM:Songs-DB_Custom3:XXX'                         'Australia'
'TALB' (Album/Movie/Show title)                     'Haackula'
'TBPM' (BPM (beats per minute))                     '108.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Man Kind'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Haack'
'TPE2' (Band/orchestra/accompaniment)               'Bruce Haack'
'TRCK' (Track number/Position in set)               '03'
'TXXX:DATE'                                         '2008'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
'TXXX:original release date'                        '1978'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.357784'

========================== row from database ==========================
                                              'id'  1118852
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack - Haackula [The Omni Recording Corporation, 2008]/03 - Man Kind.mp3
                                         'working'  None
                                         'bitrate'  270
                                    'duration_sec'  342
                                           'genre'  electronic-experimental
                                        'filesize'  11625655
                                           'mtime'  1622801500
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [The Omni Recording Corporation, 2008] 03 electronic experimental
                                      'tag_artist'  Bruce Haack
                                     'tag_release'  Haackula
                                       'tag_title'  Man Kind
                                             'bpm'  108.2
                                    'search_title'  'kind':2 'man':1
                                   'search_artist'  'bruce':1 'haack':2
                                  'search_release'  'haackula':1
                                     'search_rest'  '2008':7,8 'corporation':5,6 'electronic':9 'experimental':10 'omni':3 'recording':4 'the':1,2
                                    'search_combo'  '2008':12,13 'bruce':3B 'corporation':10,11 'electronic':14 'experimental':15 'haack':4B 'haackula':5C 'kind':2A 'man':1A 'omni':8 'recording':9 'the':6,7
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', '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'  ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622801499.6711423  (2021-06-04 12:11:39)
                             'size'  11625655