======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '444'
                                          'artist'  'Peter Hammill'
                                     'text_people'  ''
                                         'release'  'progsoup 5'
                                           'title'  'In the End'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive', 'art rock', 'rock', 'progressive rock', 'experimental', "
 "'singer songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '119.829'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 5'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'In the End'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Hammill'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['progressive',
 'art rock',
 'rock',
 'progressive rock',
 'experimental',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.677618'

========================== row from database ==========================
                                              'id'  1416923
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup5/274 peter hammill - In the End.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  444
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  5337692
                                           'mtime'  1620737677
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup5 274 peter hammill rock cppex progressive;set pl progspace
                                      'tag_artist'  Peter Hammill
                                     'tag_release'  progsoup 5
                                       'tag_title'  In the End
                                             'bpm'  119.829
                                    'search_title'  'end':3 'in':1 'the':2
                                   'search_artist'  'hammill':2 'peter':1
                                  'search_release'  '5':2 'progsoup':1
                                     'search_rest'  '274':4 'classicprogpsy':1 'cppex':8 'hammill':6 'peter':5 'pl':13 'progressive':9,11 'progsoup':2 'progsoup5':3 'progspace':14 'rock':7 'set':10,12
                                    'search_combo'  '274':11 '5':7C 'classicprogpsy':8 'cppex':15 'end':3A 'hammill':5B,13 'in':1A 'peter':4B,12 'pl':20 'progressive':16,18 'progsoup':6C,9 'progsoup5':10 'progspace':21 'rock':14 'set':17,19 'the':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'art rock', 'rock', 'progressive rock', 'experimental', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737676.774715  (2021-05-11 14:54:36)
                             'size'  5337692