======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '189'
                                          'artist'  'The 101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'The best of the grat american composers'
                                           'title'  'On the street where you live'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-2', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '142.9'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The best of the grat american composers'
'TBPM' (BPM (beats per minute))                     '142.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'On the street where you live'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The 101 Strings Orchestra'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'instrumental'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.497835'

========================== row from database ==========================
                                              'id'  1479400
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1990 - The Best Of The Great American Composers/04 - On The Street Where You Ive.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  189
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  7576471
                                           'mtime'  1621705547
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1990 Best Of Great American Composers 04 Street Where You Ive electronic generic or radio easy listening
                                      'tag_artist'  The 101 Strings Orchestra
                                     'tag_release'  The best of the grat american composers
                                       'tag_title'  On the street where you live
                                             'bpm'  142.9
                                    'search_title'  'live':6 'on':1 'street':3 'the':2 'where':4 'you':5
                                   'search_artist'  '101':2 'orchestra':4 'strings':3 'the':1
                                  'search_release'  'american':5 'best':2 'composers':6 'grat':4 'of':3 'the':1
                                     'search_rest'  '1990':5 'american':9 'best':6 'composers':10 'country':4 'easy':19 'electronic':15 'exotica':2 'generic':16 'great':8 'ive':14 'jazz':1 'listening':20 'of':7 'oldies':3 'or':17 'radio':18 'street':11 'where':12 'you':13
                                    'search_combo'  '101':8B '1990':21 'american':15C,25 'best':12C,22 'composers':16C,26 'country':20 'easy':35 'electronic':31 'exotica':18 'generic':32 'grat':14C 'great':24 'ive':30 'jazz':17 'listening':36 'live':6A 'of':13C,23 'oldies':19 'on':1A 'or':33 'orchestra':10B 'radio':34 'street':3A,27 'strings':9B 'the':2A,7B,11C 'where':4A,28 'you':5A,29
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-2']
                                      'lastfmtags'  ['instrumental']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705546.5632882  (2021-05-22 19:45:46)
                             'size'  7576471