======================== unified (from filesystem) ========================
                                         'bitrate'  '186.937'
                                        'duration'  '271'
                                          'artist'  'happy the man'
                                     'text_people'  ''
                                         'release'  'progsoup 1'
                                           'title'  'starborne'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', 'instrumental', 'art rock', '12', 'progressive rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '9'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '125.006'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 1'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'starborne'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'happy the man'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14/9'
'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'                                   ['11', 'instrumental', 'art rock', '12', 'progressive rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.564003'

========================== row from database ==========================
                                              'id'  1410231
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 1/014 happy the man - starborne.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  271
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  6344371
                                           'mtime'  1620736765
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 014 rock cppex progressive;set pl progspace
                                      'tag_artist'  happy the man
                                     'tag_release'  progsoup 1
                                       'tag_title'  starborne
                                             'bpm'  125.006
                                    'search_title'  'starborne':1
                                   'search_artist'  'happy':1 'man':3 'the':2
                                  'search_release'  '1':2 'progsoup':1
                                     'search_rest'  'classicprogpsy':1 'cppex':4 'pl':9 'progressive':5,7 'progsoup':2 'progspace':10 'rock':3 'set':6,8
                                    'search_combo'  '1':6C 'classicprogpsy':7 'cppex':10 'happy':2B 'man':4B 'pl':15 'progressive':11,13 'progsoup':5C,8 'progspace':16 'rock':9 'set':12,14 'starborne':1A 'the':3B
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['11', 'instrumental', 'art rock', '12', 'progressive rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736765.443385  (2021-05-11 14:39:25)
                             'size'  6344371