======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '423'
                                          'artist'  'Betray My Secrets'
                                     'text_people'  'Betray My Secrets'
                                         'release'  'Betray My Secrets'
                                           'title'  'Shamanic Dream'
                                           'quals'  ("['Q-HAP-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['doom metal', 'gothic metal', 'folk metal', 'ethnic-death metal', 'ethnic "
 "metal']")
                                     'discogstags'  "['rock', 'doom metal', 'gothic metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '93.371'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Betray My Secrets'
'TBPM' (BPM (beats per minute))                     '93.371'
'TCOM' (Composer)                                   'Betray My Secrets'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDRC' (Recording time)                             '1999-08-02'
'TEXT' (Lyricist/Text writer)                       'Betray My Secrets'
'TIT2' (Title/songname/content description)         'Shamanic Dream'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Betray My Secrets'
'TPE2' (Band/orchestra/accompaniment)               'Betray My Secrets'
'TPUB' (Publisher)                                  'Serenades Records'
'TRCK' (Track number/Position in set)               '1/12'
'TSOP' (Performer sort order)                       'Betray My Secrets'
'TXXX:ALBUMARTISTSORT'                              'Betray My Secrets'
'TXXX:ASIN'                                         'B00002DGU1'
'TXXX:BARCODE'                                      '5413356716122'
'TXXX:CATALOGNUMBER'                                'SR 019'
'TXXX:MusicBrainz Album Artist Id'                  'ee7da4ab-3ed1-4a65-99eb-69218d6453ec'
'TXXX:MusicBrainz Album Id'                         'fe92e345-b9e8-43a7-a9b2-b485338ee93c'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ee7da4ab-3ed1-4a65-99eb-69218d6453ec'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'doom metal', 'gothic metal']
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['doom metal',
 'gothic metal',
 'folk metal',
 'ethnic-death metal',
 'ethnic metal']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.460851'

========================== row from database ==========================
                                              'id'  1346420
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Betray My Secrets - Shamanic Dream - Betray My Secrets.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  423
                                           'genre'  eid-metal-folk
                                        'filesize'  6777038
                                           'mtime'  1620301784
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] eid metal folk
                                      'tag_artist'  Betray My Secrets
                                     'tag_release'  Betray My Secrets
                                       'tag_title'  Shamanic Dream
                                             'bpm'  93.371
                                    'search_title'  'dream':2 'shamanic':1
                                   'search_artist'  'betray':1 'my':2 'secrets':3
                                  'search_release'  'betray':1 'my':2 'secrets':3
                                     'search_rest'  '00poprockelectronic':1 'eid':7 'files':5,6 'folk':9 'loose':3,4 'metal':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'betray':3B,6C 'dream':2A 'eid':15 'files':13,14 'folk':17 'loose':11,12 'metal':16 'my':4B,7C 'secrets':5B,8C 'shamanic':1A 'unsorted':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['doom metal', 'gothic metal', 'folk metal', 'ethnic-death metal', 'ethnic metal']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'doom metal', 'gothic metal']

============================== file details ==============================
                                           'mtime'  1620301784.3240864  (2021-05-06 13:49:44)
                             'size'  6777038