======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '196'
                                          'artist'  'Brian Eno'
                                     'text_people'  ''
                                         'release'  'Spinner'
                                           'title'  'Steam'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '140.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Spinner'
'TBPM' (BPM (beats per minute))                     '140.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Steam'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jah Wobble'
'TPE2' (Band/orchestra/accompaniment)               'Brian Eno'
'TRCK' (Track number/Position in set)               '3'
'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', 'alternative', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.490782'

========================== row from database ==========================
                                              'id'  1375896
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Brian Eno & Jah Wobble] Spinner (1995)/03. [Steam].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  196
                                           'genre'  electronic
                                        'filesize'  7899035
                                           'mtime'  1636913082
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer & Jah Wobble] (1995) 03. [Steam] electronic
                                      'tag_artist'  Brian Eno
                                     'tag_release'  Spinner
                                       'tag_title'  Steam
                                             'bpm'  140.1
                                    'search_title'  'steam':1
                                   'search_artist'  'brian':1 'eno':2
                                  'search_release'  'spinner':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '03':8,9 '1995':6,7 'electronic':12 'jah':3 'steam':10,11 'wobble':4,5
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 '03':12,13 '1995':10,11 'brian':2B 'electronic':16 'eno':3B 'jah':7 'spinner':4C 'steam':1A,14,15 'wobble':8,9
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913081.9001977  (2021-11-14 19:04:41)
                             'size'  7899035