======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'Zwei Kreise'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'orbel jac prev°'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['electronica', 'ambient techno', 'idm', 'dub techno', 'acid']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '142.6'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'orbel jac prev°'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zwei Kreise'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'ambient techno', 'idm', 'dub techno', 'acid']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.652351'

========================== row from database ==========================
                                              'id'  856791
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/zweikreise/orbel_jac_prev°-244493462.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  3180255
                                           'mtime'  1621085090
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud zweikreise orbel_jac_prev° 244493462 electronic th techno minimal deephouse
                                      'tag_artist'  Zwei Kreise
                                     'tag_release'  ?
                                       'tag_title'  orbel jac prev°
                                             'bpm'  142.6
                                    'search_title'  'jac':2 'orbel':1 'prev':3
                                   'search_artist'  'kreise':2 'zwei':1
                                  'search_release'  
                                     'search_rest'  '244493462':6 'deephouse':11 'electronic':7 'jac':4 'minimal':10 'orbel':3 'prev':5 'soundcloud':1 'techno':9 'th':8 'zweikreise':2
                                    'search_combo'  '244493462':11 'deephouse':16 'electronic':12 'jac':2A,9 'kreise':5B 'minimal':15 'orbel':1A,8 'prev':3A,10 'soundcloud':6 'techno':14 'th':13 'zwei':4B 'zweikreise':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-4', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'ambient techno', 'idm', 'dub techno', 'acid']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085089.6410234  (2021-05-15 15:24:49)
                             'size'  3180255