======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '223'
                                          'artist'  'Olivia Newton John'
                                     'text_people'  ''
                                         'release'  "80's Night Ultimate DJ Collection CD 10  M-O"
                                           'title'  'Physical'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'female vocalists', '80s', '70s', 'country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '124.315'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000B21 00000DA8 00006D9D 0000620E 0002D12D 0002D12D 00008000 00008000 '
 '0000C6A3 0000B7AC')
'TALB' (Album/Movie/Show title)                     "80's Night Ultimate DJ Collection CD 10  M-O"
'TBPM' (BPM (beats per minute))                     '124.315'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Physical'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '223295'
'TPE1' (Lead performer(s)/Soloist(s))               'Olivia Newton John'
'TPE2' (Band/orchestra/accompaniment)               'Olivia Newton John'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'female vocalists', '80s', '70s', 'country']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.474217'

========================== row from database ==========================
                                              'id'  1303318
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/17 - olivia newton john - physical.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  223
                                           'genre'  rock-unsorted
                                        'filesize'  5530176
                                           'mtime'  1620392280
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 17 olivia newton john physical rock unsorted
                                      'tag_artist'  Olivia Newton John
                                     'tag_release'  80's Night Ultimate DJ Collection CD 10  M-O
                                       'tag_title'  Physical
                                             'bpm'  124.315
                                    'search_title'  'physical':1
                                   'search_artist'  'john':3 'newton':2 'olivia':1
                                  'search_release'  '80':1 '80s':3 'cd':8 'collection':7 'dj':6 'm':9 'mo':11 'night':4 'o':10 's':2 'ultimate':5
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'john':9 'loose':3,4 'newton':8 'olivia':7 'physical':10 'rock':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '80':5C '80s':7C 'cd':12C 'collection':11C 'dj':10C 'files':20,21 'john':4B,24 'loose':18,19 'm':13C 'mo':15C 'newton':3B,23 'night':8C 'o':14C 'olivia':2B,22 'physical':1A,25 'rock':26 's':6C 'ultimate':9C 'unsorted':17
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'female vocalists', '80s', '70s', 'country']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392279.7722583  (2021-05-07 14:57:59)
                             'size'  5530176