======================== unified (from filesystem) ========================
                                         'bitrate'  '198.194'
                                        'duration'  '316'
                                          'artist'  'Foals'
                                     'text_people'  ''
                                         'release'  'Total Life Forever (Limited Edition)'
                                           'title'  'Blue Blood'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'math rock', 'electronic', 'british', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '130.398'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Total Life Forever (Limited Edition)'
'TBPM' (BPM (beats per minute))                     '130.398'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'LAME 3.97'
'TIT2' (Title/songname/content description)         'Blue Blood'
'TKEY' (Initial key)                                '11A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Foals'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['indie', 'math rock', 'electronic', 'british', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+9.09 dB'
'TXXX:replaygain_track_peak'                        '0.139584'

========================== row from database ==========================
                                              'id'  1346609
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/101-foals-blue_blood-caheso.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  316
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7856356
                                           'mtime'  1621697491
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 101 foals blue_blood caheso ifs songwriter indie rock
                                      'tag_artist'  Foals
                                     'tag_release'  Total Life Forever (Limited Edition)
                                       'tag_title'  Blue Blood
                                             'bpm'  130.398
                                    'search_title'  'blood':2 'blue':1
                                   'search_artist'  'foals':1
                                  'search_release'  'edition':6,7 'forever':3 'life':2 'limited':4,5 'total':1
                                     'search_rest'  '00poprockelectronic':1 '101':7 'blood':10 'blue':9 'caheso':11 'files':5,6 'foals':8 'ifs':12 'indie':14 'loose':3,4 'rock':15 'songwriter':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '101':17 'blood':2A,20 'blue':1A,19 'caheso':21 'edition':9C,10C 'files':15,16 'foals':3B,18 'forever':6C 'ifs':22 'indie':24 'life':5C 'limited':7C,8C 'loose':13,14 'rock':25 'songwriter':23 'total':4C 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'math rock', 'electronic', 'british', 'indie rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697491.0972228  (2021-05-22 17:31:31)
                             'size'  7856356