======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '232'
                                          'artist'  'The Hollies'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 34'
                                           'title'  "I Can't Tell The Bottom From The Top"
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'rock', 'british', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '47'
                                      'tracktotal'  '100'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex'
                                             'bpm'  '144.438'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 34'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex']
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         "I Can't Tell The Bottom From The Top"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Hollies'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '47/100'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock', 'british', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.421102'

========================== row from database ==========================
                                              'id'  1498311
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 35/47 The Hollies - I Can_t Tell The Bottom From The Top.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  232
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex
                                        'filesize'  9794969
                                           'mtime'  1620736969
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 35 47 Can_t electronic generic or radio unsorted;rock cppex
                                      'tag_artist'  The Hollies
                                     'tag_release'  100 Oldies Deel 34
                                       'tag_title'  I Can't Tell The Bottom From The Top
                                             'bpm'  144.438
                                    'search_title'  'bottom':7 'can':2 'cant':4 'from':8 'i':1 't':3 'tell':5 'the':6 'top':9
                                   'search_artist'  'hollies':2 'the':1
                                  'search_release'  '100':1 '34':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '35':4 '47':5 'can':6 'cppex':16 'deel':3 'electronic':8 'generic':9 'oldies':2 'or':10 'radio':11 'rock':13,15 't':7 'unsorted':12,14
                                    'search_combo'  '00poprockelectronic':16 '100':12C '34':15C '35':19 '47':20 'bottom':7A 'can':2A,21 'cant':4A 'cppex':31 'deel':14C,18 'electronic':23 'from':8A 'generic':24 'hollies':11B 'i':1A 'oldies':13C,17 'or':25 'radio':26 'rock':28,30 't':3A,22 'tell':5A 'the':6A,10B 'top':9A 'unsorted':27,29
                                    'tag_tracknum'  47
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'rock', 'british', '60s', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736968.5113084  (2021-05-11 14:42:48)
                             'size'  9794969