======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Nina Hagen'
                                     'text_people'  ''
                                         'release'  'Return of the Mother'
                                           'title'  'Der Wind hat mir ein Lied erzdhlt'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
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                                      'lastfmtags'  "['german', 'new wave', 'post punk', 'punk', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '144.335'
                                             'key'  '10B'
                                        'acoustid'  'cd076fd7-441e-45f6-a854-de98c7ccd0f3'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Return of the Mother'
'TBPM' (BPM (beats per minute))                     '144.335'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-02-14'
'TIT2' (Title/songname/content description)         'Der Wind hat mir ein Lied erzdhlt'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Hagen'
'TPE2' (Band/orchestra/accompaniment)               'Nina Hagen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Orbit Records'
'TRCK' (Track number/Position in set)               '2/10'
'TSO2'                                              'Hagen, Nina'
'TSOP' (Performer sort order)                       'Hagen, Nina'
'TXXX:ASIN'                                         'B00004GLK0'
'TXXX:Acoustid Id'                                  'cd076fd7-441e-45f6-a854-de98c7ccd0f3'
'TXXX:CATALOGNUMBER'                                '8 48869 Z'
'TXXX:MusicBrainz Album Artist Id'                  'e4d32f51-bc57-42a4-8165-b80f7a86496d'
'TXXX:MusicBrainz Album Id'                         'e5a1c3ac-48a8-43bc-9351-8a8e2f165ce7'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e4d32f51-bc57-42a4-8165-b80f7a86496d'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.381861'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fecb8f43-43d0-4f35-93fa-3ffab67f7a07')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Nina Hagen/Nina Hagen-Return of the Mother-2000/02 - der wind hat mir ein lied erzählt.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5543129
                                           'mtime'  1620646448
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2000 02 der wind lied erzählt electronic we new wave or post punk
                                      'tag_artist'  Nina Hagen
                                     'tag_release'  Return of the Mother
                                       'tag_title'  Der Wind hat mir ein Lied erzdhlt
                                             'bpm'  144.335
                                    'search_title'  'der':1 'ein':5 'erzdhlt':7 'hat':3 'lied':6 'mir':4 'wind':2
                                   'search_artist'  'hagen':2 'nina':1
                                  'search_release'  'mother':4 'of':2 'return':1 'the':3
                                     'search_rest'  '00singer':1 '2000':4 'der':5 'electronic':10 'eos':3 'erzahlt':8,9 'lied':7 'new':12 'or':14 'post':15 'punk':16 'songwriter':2 'wave':13 'we':11 'wind':6
                                    'search_combo'  '00singer':14 '2000':17 'der':1A,18 'ein':5A 'electronic':23 'eos':16 'erzahlt':21,22 'erzdhlt':7A 'hagen':9B 'hat':3A 'lied':6A,20 'mir':4A 'mother':13C 'new':25 'nina':8B 'of':11C 'or':27 'post':28 'punk':29 'return':10C 'songwriter':15 'the':12C 'wave':26 'we':24 'wind':2A,19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620646447.6791716  (2021-05-10 13:34:07)
                             'size'  5543129