======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '554'
                                          'artist'  'Clepsydra'
                                     'text_people'  ''
                                         'release'  'Progsoup 22'
                                           'title'  'Stonehenge 00:37'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive', 'neo progressive rock', 'neo progressive', 'neo prog', "
 "'swiss', 'progressive rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  '11'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '135.274'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '790D1F0B'
'COMM:ID3v1 Comment:XXX'                            '790D1F0B'
'TALB' (Album/Movie/Show title)                     'Progsoup 22'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Stonehenge 00:37'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clepsydra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '34/11'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80.04, LAME dll 3.87, 224 Kbit/s, Joint Stereo, Normal quality'
'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'                                   ['progressive',
 'neo progressive rock',
 'neo progressive',
 'neo prog',
 'swiss',
 'progressive rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.495033'

========================== row from database ==========================
                                              'id'  1416868
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 22/1259 clepsydra - stonehenge 00-37.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  554
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  15520423
                                           'mtime'  1620736884
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1259 clepsydra stonehenge rock cppex progressive;set pl progspace
                                      'tag_artist'  Clepsydra
                                     'tag_release'  Progsoup 22
                                       'tag_title'  Stonehenge 00:37
                                             'bpm'  135.274
                                    'search_title'  '00':2 '0037':4 '37':3 'stonehenge':1
                                   'search_artist'  'clepsydra':1
                                  'search_release'  '22':2 'progsoup':1
                                     'search_rest'  '1259':3 'classicprogpsy':1 'clepsydra':4 'cppex':7 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11 'stonehenge':5
                                    'search_combo'  '00':2A '0037':4A '1259':10 '22':7C '37':3A 'classicprogpsy':8 'clepsydra':5B,11 'cppex':14 'pl':19 'progressive':15,17 'progsoup':6C,9 'progspace':20 'rock':13 'set':16,18 'stonehenge':1A,12
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'neo progressive rock', 'neo progressive', 'neo prog', 'swiss', 'progressive rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736884.4890957  (2021-05-11 14:41:24)
                             'size'  15520423