======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  '2raumwohnung'
                                     'text_people'  ''
                                         'release'  'Perfekte Welle (Musik von hier 1) '
                                           'title'  'Spiel mit'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'electronic', 'pop', 'deutsch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro;loc-eur-germany'
                                             'bpm'  '124.929'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Perfekte Welle (Musik von hier 1) '
'TBPM' (BPM (beats per minute))                     '124.929'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electro', 'loc-eur-germany']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Spiel mit'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               '2raumwohnung'
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['german', 'electronic', 'pop', 'deutsch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.531828'

========================== row from database ==========================
                                              'id'  1313355
                                            'path'  /data/Music/Bulk/00poprockelectronic/2raumwohnung/Perfekte_Welle__12_2raumwohnung_-_Spiel_mit-MOD.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  electronic-we-electro;loc-eur-germany
                                        'filesize'  5476227
                                           'mtime'  1676053392
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Perfekte_Welle__12_2raumwohnung_ _Spiel_mit MOD electronic we electro;loc eur germany
                                      'tag_artist'  2raumwohnung
                                     'tag_release'  Perfekte Welle (Musik von hier 1) 
                                       'tag_title'  Spiel mit
                                             'bpm'  124.929
                                    'search_title'  'mit':2 'spiel':1
                                   'search_artist'  '2raumwohnung':1
                                  'search_release'  '1':7,8 'hier':6 'musik':3,4 'perfekte':1 'von':5 'welle':2
                                     'search_rest'  '00poprockelectronic':1 '12':4 '2raumwohnung':5 'electro':11,13 'electronic':9 'eur':15 'germany':16 'loc':12,14 'mit':7 'mod':8 'perfekte':2 'spiel':6 'we':10 'welle':3
                                    'search_combo'  '00poprockelectronic':12 '1':10C,11C '12':15 '2raumwohnung':3B,16 'electro':22,24 'electronic':20 'eur':26 'germany':27 'hier':9C 'loc':23,25 'mit':2A,18 'mod':19 'musik':6C,7C 'perfekte':4C,13 'spiel':1A,17 'von':8C 'we':21 'welle':5C,14
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['german', 'electronic', 'pop', 'deutsch']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053392.1589398  (2023-02-10 19:23:12)
                             'size'  5476227