======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '477'
                                          'artist'  '2066 & Then'
                                     'text_people'  ''
                                         'release'  'progsoup 58'
                                           'title'  'At My Home'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'german', 'heavy prog', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '43'
                                      'tracktotal'  '8'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '127.524'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'progsoup 58'
'TBPM' (BPM (beats per minute))                     '127.524'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TIT2' (Title/songname/content description)         'At My Home'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '2066 & Then'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '43/8'
'TXXX:DATE'                                         '1972'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['progressive rock', 'german', 'heavy prog', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.420544'

========================== row from database ==========================
                                              'id'  1411656
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 58/3270 2066&then - at my home.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  477
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7999966
                                           'mtime'  1620737604
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3270 2066&then at my home rock cppex progressive;set pl progspace
                                      'tag_artist'  2066 & Then
                                     'tag_release'  progsoup 58
                                       'tag_title'  At My Home
                                             'bpm'  127.524
                                    'search_title'  'at':1 'home':3 'my':2
                                   'search_artist'  '2066':1 'then':2
                                  'search_release'  '58':2 'progsoup':1
                                     'search_rest'  '2066':4 '2066then':6 '3270':3 'at':7 'classicprogpsy':1 'cppex':11 'home':9 'my':8 'pl':16 'progressive':12,14 'progsoup':2 'progspace':17 'rock':10 'set':13,15 'then':5
                                    'search_combo'  '2066':4B,11 '2066then':13 '3270':10 '58':7C 'at':1A,14 'classicprogpsy':8 'cppex':18 'home':3A,16 'my':2A,15 'pl':23 'progressive':19,21 'progsoup':6C,9 'progspace':24 'rock':17 'set':20,22 'then':5B,12
                                    'tag_tracknum'  43
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'german', 'heavy prog', 'psychedelic']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737604.4943225  (2021-05-11 14:53:24)
                             'size'  7999966