======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '232'
                                          'artist'  'Macy Gray'
                                     'text_people'  ''
                                         'release'  'Kuschelrock 20 CD 2'
                                           'title'  'I Try'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'pop', 'female vocalists', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '143.416'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'EAC V0.99 prebeta 5, Secure Mode, Test & Copy, AccurateRip, FLAC -8'
'COMM:ID3v1 Comment:XXX'                            'EAC V0.99 prebeta 5, Secure'
'TALB' (Album/Movie/Show title)                     'Kuschelrock 20 CD 2'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TCOP' (Copyright message)                          'ripeado por virana'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'virana'
'TIT2' (Title/songname/content description)         'I Try'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Macy Gray'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'pop', 'female vocalists', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.364609'

========================== row from database ==========================
                                              'id'  1310638
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/15 - Macy Gray - I Try.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  232
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9313534
                                           'mtime'  1620573847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 15 electronic generic or radio dance
                                      'tag_artist'  Macy Gray
                                     'tag_release'  Kuschelrock 20 CD 2
                                       'tag_title'  I Try
                                             'bpm'  143.416
                                    'search_title'  'i':1 'try':2
                                   'search_artist'  'gray':2 'macy':1
                                  'search_release'  '2':4 '20':2 'cd':3 'kuschelrock':1
                                     'search_rest'  '00poprockelectronic':1 'dance':7 'electronic':3 'generic':4 'or':5 'radio':6 'set':2
                                    'search_combo'  '00poprockelectronic':9 '2':8C '20':6C 'cd':7C 'dance':15 'electronic':11 'generic':12 'gray':4B 'i':1A 'kuschelrock':5C 'macy':3B 'or':13 'radio':14 'set':10 'try':2A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'pop', 'female vocalists', 'soul', 'funk']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573846.5596826  (2021-05-09 17:24:06)
                             'size'  9313534