======================== unified (from filesystem) ========================
                                         'bitrate'  '257.58'
                                        'duration'  '257'
                                          'artist'  'Kraan'
                                     'text_people'  ''
                                         'release'  'progsoup 13'
                                           'title'  'Psychedelic Man'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'krautrock', 'fusion', 'progressive rock', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '136.551'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 13'
'TBPM' (BPM (beats per minute))                     '136.551'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Psychedelic Man'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kraan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                   ['german', 'krautrock', 'fusion', 'progressive rock', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.449274'

========================== row from database ==========================
                                              'id'  1409633
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 13/728 kraan- psychedelic man.mp3
                                         'working'  None
                                         'bitrate'  257
                                    'duration_sec'  257
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  8279817
                                           'mtime'  1620736335
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 728 kraan psychedelic man rock cppex progressive;set pl progspace
                                      'tag_artist'  Kraan
                                     'tag_release'  progsoup 13
                                       'tag_title'  Psychedelic Man
                                             'bpm'  136.551
                                    'search_title'  'man':2 'psychedelic':1
                                   'search_artist'  'kraan':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '728':3 'classicprogpsy':1 'cppex':8 'kraan':4 'man':6 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'psychedelic':5 'rock':7 'set':10,12
                                    'search_combo'  '728':7 'classicprogpsy':5 'cppex':12 'kraan':3B,8 'man':2A,10 'pl':17 'progressive':13,15 'progsoup':4C,6 'progspace':18 'psychedelic':1A,9 'rock':11 'set':14,16
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'krautrock', 'fusion', 'progressive rock', 'psychedelic']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736335.4166114  (2021-05-11 14:32:15)
                             'size'  8279817