======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '541'
                                          'artist'  'Ethos'
                                     'text_people'  ''
                                         'release'  'progsoup 21'
                                           'title'  'Placebo'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']"
                                     'discogstags'  "['hardcore', 'electronic', 'hard trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex;set-pl-progspace'
                                             'bpm'  '144.438'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 21'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Placebo'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ethos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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'                                  ['hardcore', 'electronic', 'hard trance']
'TXXX:lastfmtags'                                   ['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.424390'

========================== row from database ==========================
                                              'id'  1411101
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 21/1189 ethos - Placebo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  541
                                           'genre'  rock-cppex;set-pl-progspace
                                        'filesize'  21643311
                                           'mtime'  1621786521
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1189 ethos rock cppex;set pl progspace
                                      'tag_artist'  Ethos
                                     'tag_release'  progsoup 21
                                       'tag_title'  Placebo
                                             'bpm'  144.438
                                    'search_title'  'placebo':1
                                   'search_artist'  'ethos':1
                                  'search_release'  '21':2 'progsoup':1
                                     'search_rest'  '1189':3 'classicprogpsy':1 'cppex':6,8 'ethos':4 'pl':10 'progsoup':2 'progspace':11 'rock':5 'set':7,9
                                    'search_combo'  '1189':7 '21':4C 'classicprogpsy':5 'cppex':10,12 'ethos':2B,8 'pl':14 'placebo':1A 'progsoup':3C,6 'progspace':15 'rock':9 'set':11,13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']
                                        'tag_date'  1975
                                     'discogstags'  ['hardcore', 'electronic', 'hard trance']

============================== file details ==============================
                                           'mtime'  1621786520.614533  (2021-05-23 18:15:20)
                             'size'  21643311