======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'The Gregg Allman Band'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 119'
                                           'title'  "I'm No Angel"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['southern rock', 'classic rock', 'blues rock', 'rock', '70s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '66'
                                      'tracktotal'  '100'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '140.4'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 119'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         "I'm No Angel"
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '220933'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gregg Allman Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '66/100'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['southern rock', 'classic rock', 'blues rock', 'rock', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.705834'

========================== row from database ==========================
                                              'id'  1507064
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 119/66 The Gregg Allman Band - I_m No Angel.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  9257750
                                           'mtime'  1620565212
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 66 I_m electronic generic or radio unsorted
                                      'tag_artist'  The Gregg Allman Band
                                     'tag_release'  100 Oldies Deel 119
                                       'tag_title'  I'm No Angel
                                             'bpm'  140.4
                                    'search_title'  'angel':5 'i':1 'im':3 'm':2 'no':4
                                   'search_artist'  'allman':3 'band':4 'gregg':2 'the':1
                                  'search_release'  '100':1 '119':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '66':4 'deel':3 'electronic':7 'generic':8 'i':5 'm':6 'oldies':2 'or':9 'radio':10 'unsorted':11
                                    'search_combo'  '00poprockelectronic':14 '100':10C '119':13C '66':17 'allman':8B 'angel':5A 'band':9B 'deel':12C,16 'electronic':20 'generic':21 'gregg':7B 'i':1A,18 'im':3A 'm':2A,19 'no':4A 'oldies':11C,15 'or':22 'radio':23 'the':6B 'unsorted':24
                                    'tag_tracknum'  66
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['southern rock', 'classic rock', 'blues rock', 'rock', '70s']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620565212.446474  (2021-05-09 15:00:12)
                             'size'  9257750