======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '217'
                                          'artist'  'Fischer-Z'
                                     'text_people'  ''
                                         'release'  'progsoup 50'
                                           'title'  'Remember Russia'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'post punk', 'pop', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '43'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;electronic-we-new wave or post punk'
                                             'bpm'  '144.541'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 50'
'TBPM' (BPM (beats per minute))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Remember Russia'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fischer-Z'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '43'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'post punk', 'pop', 'british']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.787808'

========================== row from database ==========================
                                              'id'  1411512
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 50/2862 fischer-z  - remember russia.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  217
                                           'genre'  rock-cppex-progressive;electronic-we-new wave or post punk
                                        'filesize'  3482541
                                           'mtime'  1620737533
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2862 fischer z remember russia rock cppex progressive;electronic we new wave or post punk
                                      'tag_artist'  Fischer-Z
                                     'tag_release'  progsoup 50
                                       'tag_title'  Remember Russia
                                             'bpm'  144.541
                                    'search_title'  'remember':1 'russia':2
                                   'search_artist'  'fischer':1 'fischerz':3 'z':2
                                  'search_release'  '50':2 'progsoup':1
                                     'search_rest'  '2862':3 'classicprogpsy':1 'cppex':9 'electronic':11,13 'fischer':4 'new':15 'or':17 'post':18 'progressive':10,12 'progsoup':2 'punk':19 'remember':6 'rock':8 'russia':7 'wave':16 'we':14 'z':5
                                    'search_combo'  '2862':10 '50':7C 'classicprogpsy':8 'cppex':16 'electronic':18,20 'fischer':3B,11 'fischerz':5B 'new':22 'or':24 'post':25 'progressive':17,19 'progsoup':6C,9 'punk':26 'remember':1A,13 'rock':15 'russia':2A,14 'wave':23 'we':21 'z':4B,12
                                    'tag_tracknum'  43
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', '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', 'new wave', 'post punk', 'pop', 'british']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737532.523445  (2021-05-11 14:52:12)
                             'size'  3482541