======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '280'
                                          'artist'  'Lake'
                                     'text_people'  ''
                                         'release'  'Progsoup 31'
                                           'title'  'Key To The Rhyme'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie pop', 'rock', 'classic rock', 'indie', 'progressive rock']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '43'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '95.709'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 31'
'TBPM' (BPM (beats per minute))                     '95.709'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Key To The Rhyme'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lake'
'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'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['indie pop', 'rock', 'classic rock', 'indie', 'progressive rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.653413'

========================== row from database ==========================
                                              'id'  1415449
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 31 (krautsoup)/1808 lake -  key to the rhyme.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  280
                                           'genre'  rock-cppex-progressive
                                        'filesize'  6736275
                                           'mtime'  1620737144
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (krautsoup) 1808 lake key to the rhyme rock cppex progressive
                                      'tag_artist'  Lake
                                     'tag_release'  Progsoup 31
                                       'tag_title'  Key To The Rhyme
                                             'bpm'  95.709
                                    'search_title'  'key':1 'rhyme':4 'the':3 'to':2
                                   'search_artist'  'lake':1
                                  'search_release'  '31':2 'progsoup':1
                                     'search_rest'  '1808':5 'classicprogpsy':1 'cppex':12 'key':7 'krautsoup':3,4 'lake':6 'progressive':13 'progsoup':2 'rhyme':10 'rock':11 'the':9 'to':8
                                    'search_combo'  '1808':12 '31':7C 'classicprogpsy':8 'cppex':19 'key':1A,14 'krautsoup':10,11 'lake':5B,13 'progressive':20 'progsoup':6C,9 'rhyme':4A,17 'rock':18 'the':3A,16 'to':2A,15
                                    'tag_tracknum'  43
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie pop', 'rock', 'classic rock', 'indie', 'progressive rock']
                                        'tag_date'  1976
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620737144.4674165  (2021-05-11 14:45:44)
                             'size'  6736275