======================== unified (from filesystem) ========================
                                         'bitrate'  '238.448'
                                        'duration'  '593'
                                          'artist'  "Nik Bärtsch's Ronin"
                                     'text_people'  ''
                                         'release'  'Progsoup 46'
                                           'title'  'Modul 51'
                                           '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-PIANO-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'minimal jazz', 'piano', 'minimalism', 'gimme sum zen funk']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '129.481'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 46'
'TBPM' (BPM (beats per minute))                     '129.481'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Modul 51'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "Nik Bärtsch's Ronin"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '34'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'minimal jazz', 'piano', 'minimalism', 'gimme sum zen funk']
'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'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.598638'

========================== row from database ==========================
                                              'id'  1500447
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 46/2639 nik bartsch_s ronin -  modul 51.mp3
                                         'working'  None
                                         'bitrate'  238
                                    'duration_sec'  593
                                           'genre'  rock-cppex-progressive
                                        'filesize'  17683929
                                           'mtime'  1620737467
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2639 nik bartsch_s ronin modul rock cppex progressive
                                      'tag_artist'  Nik Bärtsch's Ronin
                                     'tag_release'  Progsoup 46
                                       'tag_title'  Modul 51
                                             'bpm'  129.481
                                    'search_title'  '51':2 'modul':1
                                   'search_artist'  'bartsch':2,5 'bartschs':4,7 'nik':1 'ronin':8 's':3,6
                                  'search_release'  '46':2 'progsoup':1
                                     'search_rest'  '2639':3 'bartsch':5 'classicprogpsy':1 'cppex':10 'modul':8 'nik':4 'progressive':11 'progsoup':2 'rock':9 'ronin':7 's':6
                                    'search_combo'  '2639':15 '46':12C '51':2A 'bartsch':4B,7B,17 'bartschs':6B,9B 'classicprogpsy':13 'cppex':22 'modul':1A,20 'nik':3B,16 'progressive':23 'progsoup':11C,14 'rock':21 'ronin':10B,19 's':5B,8B,18
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'minimal jazz', 'piano', 'minimalism', 'gimme sum zen funk']
                                        'tag_date'  1975
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620737466.7800398  (2021-05-11 14:51:06)
                             'size'  17683929