======================== unified (from filesystem) ========================
                                         'bitrate'  '202.31'
                                        'duration'  '182'
                                          'artist'  'Oktoberklub'
                                     'text_people'  ''
                                         'release'  'Das Beste'
                                           'title'  'Helle Wasser, dunkle Wälder'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'ddr', 'political', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'loc-eur-east'
                                             'bpm'  '140.335'
                                             'key'  '8A'
                                        'acoustid'  '7fc559a6-9a8e-4403-8686-5e470981ea59'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Das Beste'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-east'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Helle Wasser, dunkle Wälder'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Oktoberklub'
'TPE2' (Band/orchestra/accompaniment)               'Oktoberklub'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Barbarossa'
'TRCK' (Track number/Position in set)               '18/20'
'TSO2'                                              'Oktoberklub'
'TSOP' (Performer sort order)                       'Oktoberklub'
'TXXX:ASIN'                                         'B000025XRO'
'TXXX:Acoustid Id'                                  '7fc559a6-9a8e-4403-8686-5e470981ea59'
'TXXX:Artists'                                      'Oktoberklub'
'TXXX:BARCODE'                                      '743212820928'
'TXXX:CATALOGNUMBER'                                'EdBa 01304-2'
'TXXX:MusicBrainz Album Artist Id'                  '45244c17-89c0-4aed-a240-fbb90b6dd00d'
'TXXX:MusicBrainz Album Id'                         '1e567e93-dc73-49c3-8c43-0968b551dd80'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '45244c17-89c0-4aed-a240-fbb90b6dd00d'
'TXXX:MusicBrainz Release Group Id'                 'cf8f253e-6862-476a-ae75-b0a6f9ec85a3'
'TXXX:MusicBrainz Release Track Id'                 '4c147e0c-6c90-3162-a00a-a784dc511e7e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['german', 'ddr', 'political', 'folk', 'singer songwriter']
'TXXX:originalyear'                                 '1995'
'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'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.598933'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c4bbdd42-9450-4f46-ae6a-2d2ce59f0851')

========================== row from database ==========================
                                              'id'  787498
                                            'path'  /data/Music/Bulk/00localcharacter/Communistische Propaganda muziek/Oktober Klub - DAS  BESTE/Oktober Klub - 18-Helle Wasser, dunkle Wälder.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  182
                                           'genre'  loc-eur-east
                                        'filesize'  4659029
                                           'mtime'  1620535900
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Communistische Propaganda muziek Klub DAS BESTE Klub 18 loc eur east
                                      'tag_artist'  Oktoberklub
                                     'tag_release'  Das Beste
                                       'tag_title'  Helle Wasser, dunkle Wälder
                                             'bpm'  140.335
                                    'search_title'  'dunkle':4 'helle':1 'walder':5,6 'wasser':2,3
                                   'search_artist'  'oktoberklub':1
                                  'search_release'  'beste':2 'das':1
                                     'search_rest'  '18':7 'beste':6 'communistische':1 'das':5 'east':10 'eur':9 'klub':4 'loc':8 'muziek':3 'propaganda':2
                                    'search_combo'  '18':16 'beste':9C,15 'communistische':10 'das':8C,14 'dunkle':4A 'east':19 'eur':18 'helle':1A 'klub':13 'loc':17 'muziek':12 'oktoberklub':7B 'propaganda':11 'walder':5A,6A 'wasser':2A,3A
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'ddr', 'political', 'folk', 'singer songwriter']
                                        'tag_date'  1978
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620535899.5686963  (2021-05-09 06:51:39)
                             'size'  4659029