======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '201'
                                          'artist'  '101-Strings Orchestra'
                                     'text_people'  ''
                                         'release'  "Music for swingin' lovers"
                                           'title'  "I've got you under my skin"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-3', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '121.4'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Music for swingin' lovers"
'TBPM' (BPM (beats per minute))                     '121.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         "I've got you under my skin"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               '101-Strings Orchestra'
'TRCK' (Track number/Position in set)               '13'
'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', 'easy listening', 'classical', 'edhits', 'myhits']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.599567'

========================== row from database ==========================
                                              'id'  1524505
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1993 - Music for Swingin_ Lovers/13 - I_ve Got You Under My Skin.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  201
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  8065483
                                           'mtime'  1621705555
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1993 Swingin_ Lovers 13 I_ve Got You Under My Skin electronic generic radio easy listening
                                      'tag_artist'  101-Strings Orchestra
                                     'tag_release'  Music for swingin' lovers
                                       'tag_title'  I've got you under my skin
                                             'bpm'  121.4
                                    'search_title'  'got':4 'i':1 'ive':3 'my':7 'skin':8 'under':6 've':2 'you':5
                                   'search_artist'  '101':1 '101strings':3 'orchestra':4 'strings':2
                                  'search_release'  'for':2 'lovers':5 'music':1 'swingin':3,4
                                     'search_rest'  '1993':6 'country':4 'easy':19 'electronic':16 'exotica':2 'generic':17 'got':11 'i':9 'jazz':1 'listening':20 'lovers':8 'my':14 'oldies':3 'radio':18 'skin':15 'swingin':7 'the':5 'under':13 've':10 'you':12
                                    'search_combo'  '101':9B '101strings':11B '1993':23 'country':21 'easy':36 'electronic':33 'exotica':19 'for':14C 'generic':34 'got':4A,28 'i':1A,26 'ive':3A 'jazz':18 'listening':37 'lovers':17C,25 'music':13C 'my':7A,31 'oldies':20 'orchestra':12B 'radio':35 'skin':8A,32 'strings':10B 'swingin':15C,16C,24 'the':22 'under':6A,30 've':2A,27 'you':5A,29
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-3']
                                      'lastfmtags'  ['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705554.8208137  (2021-05-22 19:45:54)
                             'size'  8065483