======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'Kopfschmerztablette'
                                     'text_people'  ''
                                         'release'  'Eat Your Pets'
                                           'title'  'Das Tier Ist Zu Töten'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'industrial', 'experimental', 'noise']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-soundscape;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '103.9'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Eat Your Pets'
'TBPM' (BPM (beats per minute))                     '103.9'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-soundscape', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Das Tier Ist Zu Töten'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kopfschmerztablette'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'TXXX:LABEL'                                        'ZNS Tapes'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'industrial', 'experimental', 'noise']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.70 dB'
'TXXX:replaygain_track_peak'                        '1.016206'

========================== row from database ==========================
                                              'id'  1389810
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Somewhere In Europe - various artists - eat your pets[c60,1990]/07_kopfschmerztablette_-_das_tier_ist_zu_toeten.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  electronic-soundscape;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3168924
                                           'mtime'  1636910009
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Somewhere In Europe various artists eat your pets[c60,1990] 07_kopfschmerztablette_ _das_tier_ist_zu_toeten electronic soundscape;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Kopfschmerztablette
                                     'tag_release'  Eat Your Pets
                                       'tag_title'  Das Tier Ist Zu Töten
                                             'bpm'  103.9
                                    'search_title'  'das':1 'ist':3 'tier':2 'toten':5,6 'zu':4
                                   'search_artist'  'kopfschmerztablette':1
                                  'search_release'  'eat':1 'pets':3 'your':2
                                     'search_rest'  '07':13 '1990':10,12 'artists':5 'c60':9 'das':15 'eat':6 'electronic':20 'europe':3 'in':2 'ist':17 'kopfschmerztablette':14 'mor':30 'pets':8 'petsc60':11 'pl':25 'set':22,24,27,29 'shirleyspinoza':26,28 'somewhere':1 'soundscape':21,23 'tier':16 'toeten':19 'various':4 'your':7 'zu':18
                                    'search_combo'  '07':23 '1990':20,22 'artists':15 'c60':19 'das':1A,25 'eat':8C,16 'electronic':30 'europe':13 'in':12 'ist':3A,27 'kopfschmerztablette':7B,24 'mor':40 'pets':10C,18 'petsc60':21 'pl':35 'set':32,34,37,39 'shirleyspinoza':36,38 'somewhere':11 'soundscape':31,33 'tier':2A,26 'toeten':29 'toten':5A,6A 'various':14 'your':9C,17 'zu':4A,28
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'industrial', 'experimental', 'noise']
                                        'tag_date'  1990
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910008.6234117  (2021-11-14 18:13:28)
                             'size'  3168924