======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '628'
                                          'artist'  'Chicago'
                                     'text_people'  ''
                                         'release'  'progsoup 58'
                                           'title'  'It Better End Soon 1st Mo'
                                           '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', '70s', 'classic rock']"
                                     'discogstags'  "['electronic', 'psy-trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;rock-cppex'
                                             'bpm'  '88.092'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'progsoup 58'
'TBPM' (BPM (beats per minute))                     '88.092'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'rock-cppex']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'It Better End Soon 1st Mo'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chicago'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:MusicMatch_Preference'                        'excellent'
'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', 'psy-trance']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', '70s', 'classic 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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.612278'

========================== row from database ==========================
                                              'id'  1413515
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 58/3250 chicago - it better end soon.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  628
                                           'genre'  rock-cppex-progressive;rock-cppex
                                        'filesize'  20328903
                                           'mtime'  1635960371
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3250 chicago it better end soon rock cppex progressive;rock cppex
                                      'tag_artist'  Chicago
                                     'tag_release'  progsoup 58
                                       'tag_title'  It Better End Soon 1st Mo
                                             'bpm'  88.092
                                    'search_title'  '1st':5 'better':2 'end':3 'it':1 'mo':6 'soon':4
                                   'search_artist'  'chicago':1
                                  'search_release'  '58':2 'progsoup':1
                                     'search_rest'  '3250':3 'better':6 'chicago':4 'classicprogpsy':1 'cppex':10 'end':7 'it':5 'progressive':11,13 'progsoup':2 'rock':9,12,14 'soon':8
                                    'search_combo'  '1st':5A '3250':12 '58':9C 'better':2A,15 'chicago':7B,13 'classicprogpsy':10 'cppex':19 'end':3A,16 'it':1A,14 'mo':6A 'progressive':20,22 'progsoup':8C,11 'rock':18,21,23 'soon':4A,17
                                    'tag_tracknum'  23
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['80s', 'rock', 'pop', '70s', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  ['electronic', 'psy-trance']

============================== file details ==============================
                                           'mtime'  1635960371.2050278  (2021-11-03 18:26:11)
                             'size'  20328903