======================== unified (from filesystem) ========================
                                         'bitrate'  '179.753'
                                        'duration'  '343'
                                          'artist'  'Kalevala'
                                     'text_people'  ''
                                         'release'  'progsoup 19'
                                           'title'  "04 Sinkadus - Trubadurens Kval (The Minstrel's Cry)"
                                           '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-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russian', 'folk metal', 'progressive rock', 'progressive', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '30'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '135.274'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000C34 00000AB5 00002C11 00004DC0 000508DF 00004417 00007ADF 00006EC3 '
 '000508C8 00017C17')
'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "04 Sinkadus - Trubadurens Kval (The Minstrel's Cry)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kalevala'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11/30'
'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'                                   ['russian', 'folk metal', 'progressive rock', 'progressive', 'finnish']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.419504'

========================== row from database ==========================
                                              'id'  1416521
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1068 Sinkadus - Trubadurens Kval.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  343
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7724928
                                           'mtime'  1620736724
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1068 rock cppex progressive;set pl progspace
                                      'tag_artist'  Kalevala
                                     'tag_release'  progsoup 19
                                       'tag_title'  04 Sinkadus - Trubadurens Kval (The Minstrel's Cry)
                                             'bpm'  135.274
                                    'search_title'  'cry':9,10 'kval':3 'minstrel':6 'minstrels':8 's':7 'sinkadus':1 'the':4,5 'trubadurens':2
                                   'search_artist'  'kalevala':1
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1068':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '1068':16 '19':13C 'classicprogpsy':14 'cppex':18 'cry':9A,10A 'kalevala':11B 'kval':3A 'minstrel':6A 'minstrels':8A 'pl':23 'progressive':19,21 'progsoup':12C,15 'progspace':24 'rock':17 's':7A 'set':20,22 'sinkadus':1A 'the':4A,5A 'trubadurens':2A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           '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-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'folk metal', 'progressive rock', 'progressive', 'finnish']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736723.98372  (2021-05-11 14:38:43)
                             'size'  7724928