======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '300'
                                          'artist'  'Ethos'
                                     'text_people'  ''
                                         'release'  'progsoup 14'
                                           'title'  'Ethos - Ardour (1976) - 03 - Everyman'
                                           '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-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']"
                                     'discogstags'  "['hardcore', 'electronic', 'hard trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '46'
                                      'tracktotal'  '8'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '144.233'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Velvet Underground - Rock & Roll'
'COMM:ID3v1 Comment:XXX'                            'Velvet Underground - Rock &'
'TALB' (Album/Movie/Show title)                     'progsoup 14'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Ethos - Ardour (1976) - 03 - Everyman'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ethos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '46/8'
'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'                                  ['hardcore', 'electronic', 'hard trance']
'TXXX:lastfmtags'                                   ['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.49 dB'
'TXXX:replaygain_track_peak'                        '0.522111'

========================== row from database ==========================
                                              'id'  1414740
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 14/820 Ethos  - Everyman.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  300
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  6012824
                                           'mtime'  1620736478
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 820 rock cppex progressive;set pl progspace
                                      'tag_artist'  Ethos
                                     'tag_release'  progsoup 14
                                       'tag_title'  Ethos - Ardour (1976) - 03 - Everyman
                                             'bpm'  144.233
                                    'search_title'  '1976':3,4 'ardour':2 'ethos':1 'everyman':5
                                   'search_artist'  'ethos':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '820':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '1976':3A,4A '820':10 'ardour':2A 'classicprogpsy':8 'cppex':12 'ethos':1A,6B 'everyman':5A 'pl':17 'progressive':13,15 'progsoup':7C,9 'progspace':18 'rock':11 'set':14,16
                                    'tag_tracknum'  46
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'happy hardcore', 'usa', 'symphonic rock']
                                        'tag_date'  1976
                                     'discogstags'  ['hardcore', 'electronic', 'hard trance']

============================== file details ==============================
                                           'mtime'  1620736477.7448425  (2021-05-11 14:34:37)
                             'size'  6012824