======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '467'
                                          'artist'  'Ozric Tentacles'
                                     'text_people'  ''
                                         'release'  'progsoup 49'
                                           'title'  'The hidden step'
                                           '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-3', 'q-play-4', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', "
 "'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '44'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '103.802'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 49'
'TBPM' (BPM (beats per minute))                     '103.802'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace', 'set-pl-progspace']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The hidden step'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozric Tentacles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '44'
'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'                                   ['instrumental',
 'psychedelic rock',
 'space rock',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.551196'

========================== row from database ==========================
                                              'id'  1409077
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 49/2809 ozric tentacles - the hidden step.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  467
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  14950238
                                           'mtime'  1620736147
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2809 ozric tentacles the rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Ozric Tentacles
                                     'tag_release'  progsoup 49
                                       'tag_title'  The hidden step
                                             'bpm'  103.802
                                    'search_title'  'hidden':2 'step':3 'the':1
                                   'search_artist'  'ozric':1 'tentacles':2
                                  'search_release'  '49':2 'progsoup':1
                                     'search_rest'  '2809':3 'classicprogpsy':1 'cppex':8 'ozric':4 'pl':14 'progsoup':2 'progspace':15 'psychedelic':9 'rock':7 'set':11,13 'space':10,12 'tentacles':5 'the':6
                                    'search_combo'  '2809':10 '49':7C 'classicprogpsy':8 'cppex':15 'hidden':2A 'ozric':4B,11 'pl':21 'progsoup':6C,9 'progspace':22 'psychedelic':16 'rock':14 'set':18,20 'space':17,19 'step':3A 'tentacles':5B,12 'the':1A,13
                                    'tag_tracknum'  44
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736147.264136  (2021-05-11 14:29:07)
                             'size'  14950238