======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '186'
                                          'artist'  'FAITH NO MORE'
                                     'text_people'  ''
                                         'release'  'Knuffelrock 2'
                                           'title'  "I'm Easy"
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative metal', 'alternative', 'metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '17'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '126.1'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Knuffelrock 2'
'TBPM' (BPM (beats per minute))                     '126.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         "I'm Easy"
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'FAITH NO MORE'
'TRCK' (Track number/Position in set)               '14/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative metal', 'alternative', 'metal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.759889'

========================== row from database ==========================
                                              'id'  1519804
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/14 - FAITH NO MORE - I_m Easy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  186
                                           'genre'  rock-unsorted
                                        'filesize'  4471931
                                           'mtime'  1620392274
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 14 I_m unsorted
                                      'tag_artist'  FAITH NO MORE
                                     'tag_release'  Knuffelrock 2
                                       'tag_title'  I'm Easy
                                             'bpm'  126.1
                                    'search_title'  'easy':4 'i':1 'im':3 'm':2
                                   'search_artist'  'faith':1 'more':3 'no':2
                                  'search_release'  '2':2 'knuffelrock':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'i':7 'loose':3,4 'm':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '2':9C 'easy':4A 'faith':5B 'files':14,15 'i':1A,16 'im':3A 'knuffelrock':8C 'loose':12,13 'm':2A,17 'more':7B 'no':6B 'unsorted':11
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative metal', 'alternative', 'metal', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392274.4057863  (2021-05-07 14:57:54)
                             'size'  4471931