======================== unified (from filesystem) ========================
                                         'bitrate'  '172.142'
                                        'duration'  '464'
                                          'artist'  'Röyksopp'
                                     'text_people'  ''
                                         'release'  'What Else Is There? - EP'
                                           'title'  'What Else Is There? (Trentemoe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '122.882'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'What Else Is There? - EP'
'TBPM' (BPM (beats per minute))                     '122.882'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'What Else Is There? (Trentemoe'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Röyksopp'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
'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'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.612467'

========================== row from database ==========================
                                              'id'  1336243
                                            'path'  /data/Music/Bulk/00poprockelectronic/Royksopp/Trentmoller Remix, Royksopp-What Else Is There.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  464
                                           'genre'  electronic
                                        'filesize'  9996551
                                           'mtime'  1636914390
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Royksopp Trentmoller Remix, Royksopp electronic
                                      'tag_artist'  Röyksopp
                                     'tag_release'  What Else Is There? - EP
                                       'tag_title'  What Else Is There? (Trentemoe
                                             'bpm'  122.882
                                    'search_title'  'else':2 'is':3 'there':4 'trentemoe':5,6 'what':1
                                   'search_artist'  'royksopp':1,2
                                  'search_release'  'else':2 'ep':5 'is':3 'there':4 'what':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'remix':4,5 'royksopp':2 'trentmoller':3
                                    'search_combo'  '00poprockelectronic':14 'electronic':19 'else':2A,10C 'ep':13C 'is':3A,11C 'remix':17,18 'royksopp':7B,8B,15 'there':4A,12C 'trentemoe':5A,6A 'trentmoller':16 'what':1A,9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914389.9137373  (2021-11-14 19:26:29)
                             'size'  9996551