======================== unified (from filesystem) ========================
                                         'bitrate'  '265.948'
                                        'duration'  '379'
                                          'artist'  'Nosound'
                                     'text_people'  ''
                                         'release'  'progsoup 14'
                                           'title'  'Cold Afterall (Bonus)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'progressive rock', 'psychedelic', 'experimental', "
 "'ambient']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '119.900'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'progsoup 14'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TCOP' (Copyright message)                          '(c) 2008 Snapper Music'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Cold Afterall (Bonus)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nosound'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock',
 'progressive rock',
 'psychedelic',
 'experimental',
 'ambient']
'TXXX:q-bass'                                       '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.302248'

========================== row from database ==========================
                                              'id'  1416017
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 14/778 Nosound - Cold Afterall.mp3
                                         'working'  None
                                         'bitrate'  265
                                    'duration_sec'  379
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12639969
                                           'mtime'  1620736408
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 778 rock cppex progressive;set pl progspace
                                      'tag_artist'  Nosound
                                     'tag_release'  progsoup 14
                                       'tag_title'  Cold Afterall (Bonus)
                                             'bpm'  119.9
                                    'search_title'  'afterall':2 'bonus':3,4 'cold':1
                                   'search_artist'  'nosound':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '778':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '778':9 'afterall':2A 'bonus':3A,4A 'classicprogpsy':7 'cold':1A 'cppex':11 'nosound':5B 'pl':16 'progressive':12,14 'progsoup':6C,8 'progspace':17 'rock':10 'set':13,15
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'progressive rock', 'psychedelic', 'experimental', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736407.656774  (2021-05-11 14:33:27)
                             'size'  12639969