======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '211'
                                          'artist'  'Britney Spears'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 34'
                                           'title'  'Baby One More Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'sexy', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '100'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '93.027'
                                             'key'  '6A'
                                        '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))                     '93.027'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         'Baby One More Time'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Britney Spears'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17/100'
'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'                                   ['dance', 'sexy', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.401365'

========================== row from database ==========================
                                              'id'  1334987
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 35/17 Britney Spears - Baby One More Time.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  211
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  8933581
                                           'mtime'  1621695977
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 35 17 electronic generic radio unsorted;set pl billboard
                                      'tag_artist'  Britney Spears
                                     'tag_release'  100 Oldies Deel 34
                                       'tag_title'  Baby One More Time
                                             'bpm'  93.027
                                    'search_title'  'baby':1 'more':3 'one':2 'time':4
                                   'search_artist'  'britney':1 'spears':2
                                  'search_release'  '100':1 '34':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '35':4 'billboard':13 'deel':3 'electronic':5 'generic':6 'oldies':2 'pl':12 'radio':7 'set':9,11 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':11 '100':7C '34':10C '35':14 'baby':1A 'billboard':23 'britney':5B 'deel':9C,13 'electronic':15 'generic':16 'more':3A 'oldies':8C,12 'one':2A 'pl':22 'radio':17 'set':19,21 'spears':6B 'time':4A 'unsorted':18,20
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'sexy', 'female vocalists', 'pop']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695976.7417152  (2021-05-22 17:06:16)
                             'size'  8933581