======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '90'
                                          'artist'  "stomu yamash'ta's east wind"
                                     'text_people'  ''
                                         'release'  'Progsoup 26'
                                           'title'  'rain race'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'jazz rock', 'japanese', 'instrumental', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '141.118'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 26'
'TBPM' (BPM (beats per minute))                     '141.118'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'rain race'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "stomu yamash'ta's east wind"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '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:lastfmtags'                                   ['progressive rock', 'jazz rock', 'japanese', 'instrumental', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.609115'

========================== row from database ==========================
                                              'id'  1511722
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 26/1457 stomu yamash_ta_s east wind  -  rain race.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  90
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  2174033
                                           'mtime'  1620736987
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1457 yamash_ta_s rock cppex progressive;set pl progspace
                                      'tag_artist'  stomu yamash'ta's east wind
                                     'tag_release'  Progsoup 26
                                       'tag_title'  rain race
                                             'bpm'  141.118
                                    'search_title'  'race':2 'rain':1
                                   'search_artist'  'east':6 's':4 'stomu':1 'ta':3 'wind':7 'yamash':2 'yamashtas':5
                                  'search_release'  '26':2 'progsoup':1
                                     'search_rest'  '1457':3 'classicprogpsy':1 'cppex':8 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 's':6 'set':10,12 'ta':5 'yamash':4
                                    'search_combo'  '1457':14 '26':11C 'classicprogpsy':12 'cppex':19 'east':8B 'pl':24 'progressive':20,22 'progsoup':10C,13 'progspace':25 'race':2A 'rain':1A 'rock':18 's':6B,17 'set':21,23 'stomu':3B 'ta':5B,16 'wind':9B 'yamash':4B,15 'yamashtas':7B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'jazz rock', 'japanese', 'instrumental', 'experimental']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736987.0983095  (2021-05-11 14:43:07)
                             'size'  2174033