======================== unified (from filesystem) ========================
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                                        'duration'  '254'
                                          'artist'  'Teja Schmitz'
                                     'text_people'  ''
                                         'release'  'ELECTRI_CITY: Elektronische Musik aus Düsseldorf'
                                           'title'  'Studieren'
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 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['german', 'new wave', 'germany', 'ndw', 'die wahren perlen "
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                                     'discogstags'  "['electronic', 'experimental', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '15'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '88.7'
                                             'key'  '6A'
                                        'acoustid'  '53a03018-a996-4be0-bd46-4fdf198fecee'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'ELECTRI_CITY: Elektronische Musik aus Düsseldorf'
'TBPM' (BPM (beats per minute))                     '88.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TCOP' (Copyright message)                          '(c) 2016 Grönland Records'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Studieren'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Teja Schmitz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Grönland Records'
'TRCK' (Track number/Position in set)               '6/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Teja Schmitz'
'TXXX:ASIN'                                         'B01G4HIIEW'
'TXXX:Acoustid Id'                                  '53a03018-a996-4be0-bd46-4fdf198fecee'
'TXXX:BARCODE'                                      '5060238632935'
'TXXX:CATALOGNUMBER'                                'CDGRON161X'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'f4a51daf-1da6-403b-b571-a4bdd7468934'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '9c420e6e-390b-4163-806b-d3433268d037'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'experimental', 'minimal']
'TXXX:lastfmtags'                                   ['german',
 'new wave',
 'germany',
 'ndw',
 'die wahren perlen deutschsprachiger popmusik']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.457439'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'191a220b-92c6-4555-a109-d8ced09d4bae')

========================== row from database ==========================
                                              'id'  1388689
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Die Lemminge - Various Artists - Electri_City 2 - Elektronische Musik Aus Düsseldorf/06 - Teja Schmitz - Studieren.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  254
                                           'genre'  electronic-experimental
                                        'filesize'  10334819
                                           'mtime'  1622756986
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Die Lemminge Various Artists Electri_City 2 Aus 06 electronic experimental
                                      'tag_artist'  Teja Schmitz
                                     'tag_release'  ELECTRI_CITY: Elektronische Musik aus Düsseldorf
                                       'tag_title'  Studieren
                                             'bpm'  88.7
                                    'search_title'  'studieren':1
                                   'search_artist'  'schmitz':2 'teja':1
                                  'search_release'  'aus':7 'city':2,4 'dusseldorf':8,9 'electri':1,3 'elektronische':5 'musik':6
                                     'search_rest'  '2':7 'artists':4 'aus':8 'city':6 'die':1 'electri':5 'electronic':9 'experimental':10 'lemminge':2 'various':3
                                    'search_combo'  '2':19 'artists':16 'aus':10C,20 'city':5C,7C,18 'die':13 'dusseldorf':11C,12C 'electri':4C,6C,17 'electronic':21 'elektronische':8C 'experimental':22 'lemminge':14 'musik':9C 'schmitz':3B 'studieren':1A 'teja':2B 'various':15
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', 'germany', 'ndw', 'die wahren perlen deutschsprachiger popmusik']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic', 'experimental', 'minimal']

============================== file details ==============================
                                           'mtime'  1622756986.041853  (2021-06-03 23:49:46)
                             'size'  10334819