======================== unified (from filesystem) ========================
                                         'bitrate'  '203.807'
                                        'duration'  '506'
                                          'artist'  'egg'
                                     'text_people'  ''
                                         'release'  'progsoup 1'
                                           'title'  'a visit to newport hospital'
                                           '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['art rock', 'progressive rock', 'canterbury', 'psychedelic', 'canterbury "
 "scene']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '7'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '114.934'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 1'
'TBPM' (BPM (beats per minute))                     '114.934'
'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)         'a visit to newport hospital'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'egg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8/7'
'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'                                   ['art rock',
 'progressive rock',
 'canterbury',
 'psychedelic',
 'canterbury scene']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.728581'
'TXXX:tracknum'                                     '008'

========================== row from database ==========================
                                              'id'  1413490
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 1/008 egg - a visit to newport hospital.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  506
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12902981
                                           'mtime'  1620736761
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 008 rock cppex progressive;set pl progspace
                                      'tag_artist'  egg
                                     'tag_release'  progsoup 1
                                       'tag_title'  a visit to newport hospital
                                             'bpm'  114.934
                                    'search_title'  'a':1 'hospital':5 'newport':4 'to':3 'visit':2
                                   'search_artist'  'egg':1
                                  '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':8C 'a':1A 'classicprogpsy':9 'cppex':12 'egg':6B 'hospital':5A 'newport':4A 'pl':17 'progressive':13,15 'progsoup':7C,10 'progspace':18 'rock':11 'set':14,16 'to':3A 'visit':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['art rock', 'progressive rock', 'canterbury', 'psychedelic', 'canterbury scene']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736760.5736647  (2021-05-11 14:39:20)
                             'size'  12902981