======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '316'
                                          'artist'  'Motorpsycho'
                                     'text_people'  ''
                                         'release'  'progsoup 19'
                                           'title'  'Serpentine'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', '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'  "['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '132.531'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Serpentine'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Motorpsycho'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '32'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'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'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.467852'

========================== row from database ==========================
                                              'id'  1411296
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1089 motorpsycho - serpentine.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  316
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7608398
                                           'mtime'  1620736735
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1089 motorpsycho serpentine rock cppex progressive
                                      'tag_artist'  Motorpsycho
                                     'tag_release'  progsoup 19
                                       'tag_title'  Serpentine
                                             'bpm'  132.531
                                    'search_title'  'serpentine':1
                                   'search_artist'  'motorpsycho':1
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1089':3 'classicprogpsy':1 'cppex':7 'motorpsycho':4 'progressive':8 'progsoup':2 'rock':6 'serpentine':5
                                    'search_combo'  '1089':7 '19':4C 'classicprogpsy':5 'cppex':11 'motorpsycho':2B,8 'progressive':12 'progsoup':3C,6 'rock':10 'serpentine':1A,9
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736735.479847  (2021-05-11 14:38:55)
                             'size'  7608398