======================== unified (from filesystem) ========================
                                         'bitrate'  '127.991'
                                        'duration'  '366'
                                          'artist'  'Darkness'
                                     'text_people'  ''
                                         'release'  'In My Dreams'
                                           'title'  'In My Dreams (Nightmare mix)'
                                           'quals'  ("['Q-HAP-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  ("['thrash metal', 'german', 'german thrash metal', 'old school thrash metal', "
 "'metal']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '142.008'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In My Dreams'
'TBPM' (BPM (beats per minute))                     '142.008'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'In My Dreams (Nightmare mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkness'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['thrash metal',
 'german',
 'german thrash metal',
 'old school thrash metal',
 'metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+4.90 dB'
'TXXX:replaygain_track_peak'                        '0.300285'

========================== row from database ==========================
                                              'id'  1330690
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 - EuroDance Hit 93-95 vol 3 - In my dreams (Extended mix).mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  366
                                           'genre'  eid-unsorted
                                        'filesize'  5861471
                                           'mtime'  1620521345
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 EuroDance Hit 93 95 vol 3 my dreams (Extended eid unsorted
                                      'tag_artist'  Darkness
                                     'tag_release'  In My Dreams
                                       'tag_title'  In My Dreams (Nightmare mix)
                                             'bpm'  142.008
                                    'search_title'  'dreams':3 'in':1 'mix':6,7 'my':2 'nightmare':4,5
                                   'search_artist'  'darkness':1
                                  'search_release'  'dreams':3 'in':1 'my':2
                                     'search_rest'  '00poprockelectronic':1 '3':12 '93':9 '95':10 'dance':19 'dreams':14 'eid':17 'euro':18 'eurodance':7 'extended':15,16 'files':5,6 'hit':8 'loose':3,4 'my':13 'unsorted':2 'vol':11
                                    'search_combo'  '00poprockelectronic':12 '3':23 '93':20 '95':21 'dance':30 'darkness':8B 'dreams':3A,11C,25 'eid':28 'euro':29 'eurodance':18 'extended':26,27 'files':16,17 'hit':19 'in':1A,9C 'loose':14,15 'mix':6A,7A 'my':2A,10C,24 'nightmare':4A,5A 'unsorted':13 'vol':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['thrash metal', 'german', 'german thrash metal', 'old school thrash metal', 'metal']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620521345.0670593  (2021-05-09 02:49:05)
                             'size'  5861471