======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '361'
                                          'artist'  'Machiavel'
                                     'text_people'  ''
                                         'release'  'Progsoup 41'
                                           'title'  'Wisdom'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['belgium', 'eclectic prog', 'belgian', 'progressive rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '84.000'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://activist.cjb.net'
'COMM:CDDB Disc ID:XXX'                             '7F0BCD09'
'COMM:ID3v1 Comment:XXX'                            'http://activist.cjb.net'
'TALB' (Album/Movie/Show title)                     'Progsoup 41'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Wisdom'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Machiavel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.82.01, LAME dll 3.93, 192 Kbit/s, Joint Stereo, Normal quality'
'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:lastfmtags'                                   ['belgium', 'eclectic prog', 'belgian', 'progressive rock', 'rock']
'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'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.515772'

========================== row from database ==========================
                                              'id'  1413402
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 41/2363 machiavel - wisdom.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  361
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  8671083
                                           'mtime'  1620737371
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2363 machiavel wisdom rock cppex progressive;set pl progspace
                                      'tag_artist'  Machiavel
                                     'tag_release'  Progsoup 41
                                       'tag_title'  Wisdom
                                             'bpm'  84.0
                                    'search_title'  'wisdom':1
                                   'search_artist'  'machiavel':1
                                  'search_release'  '41':2 'progsoup':1
                                     'search_rest'  '2363':3 'classicprogpsy':1 'cppex':7 'machiavel':4 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11 'wisdom':5
                                    'search_combo'  '2363':7 '41':4C 'classicprogpsy':5 'cppex':11 'machiavel':2B,8 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15 'wisdom':1A,9
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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'  ['belgium', 'eclectic prog', 'belgian', 'progressive rock', 'rock']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737371.182613  (2021-05-11 14:49:31)
                             'size'  8671083