======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '698'
                                          'artist'  'Gert Emmens'
                                     'text_people'  ''
                                         'release'  'Progsoup 48'
                                           'title'  'Rendezvous With 2004 MN4'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['berlin school', 'ambient', 'electronic', 'ambientlive', 'elektronic beats']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '45'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '133.316'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Progsoup 48'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TIT2' (Title/songname/content description)         'Rendezvous With 2004 MN4'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gert Emmens'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '45'
'TXXX:CT_GAPLESS_DATA'                              '0'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['berlin school', 'ambient', 'electronic', 'ambientlive', 'elektronic beats']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.93 dB'
'TXXX:replaygain_track_peak'                        '0.661428'

========================== row from database ==========================
                                              'id'  1415580
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 48/2748 gert emmens - Rendezvous With 2004.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  698
                                           'genre'  rock-cppex-progressive
                                        'filesize'  11192152
                                           'mtime'  1620737503
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2748 gert emmens rock cppex progressive
                                      'tag_artist'  Gert Emmens
                                     'tag_release'  Progsoup 48
                                       'tag_title'  Rendezvous With 2004 MN4
                                             'bpm'  133.316
                                    'search_title'  '2004':3 'mn4':4 'rendezvous':1 'with':2
                                   'search_artist'  'emmens':2 'gert':1
                                  'search_release'  '48':2 'progsoup':1
                                     'search_rest'  '2748':3 'classicprogpsy':1 'cppex':7 'emmens':5 'gert':4 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '2004':3A '2748':11 '48':8C 'classicprogpsy':9 'cppex':15 'emmens':6B,13 'gert':5B,12 'mn4':4A 'progressive':16 'progsoup':7C,10 'rendezvous':1A 'rock':14 'with':2A
                                    'tag_tracknum'  45
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['berlin school', 'ambient', 'electronic', 'ambientlive', 'elektronic beats']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620737502.5456862  (2021-05-11 14:51:42)
                             'size'  11192152