======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '178'
                                          'artist'  'The Sound Generation, John Brown University'
                                     'text_people'  ''
                                         'release'  '365 Days project'
                                           'title'  'Generation Theme/Treat for Trumpet'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '124.6'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('© 2004, Copyright resides with the artist, The 365 Days Project,  and UbuWeb '
 '(http://ubu.com) / PennSound (http://www.writing.upenn.edu/pennsound/). All '
 'materials at UbuWeb / PennSound are available for free exchange for '
 'noncommerical purposes.')
'TALB' (Album/Movie/Show title)                     '365 Days project'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Generation Theme/Treat for Trumpet'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sound Generation, John Brown University'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.45 dB'
'TXXX:replaygain_track_peak'                        '0.456173'

========================== row from database ==========================
                                              'id'  511881
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/365 days project/342 - 365-Days-Project-12-08-sound-generation-generation-theme-treat-for-trumpet-1978.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  178
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3566259
                                           'mtime'  1620571896
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm days 342 Project 12 08 sound generation generation theme treat trumpet 1978 electronic experimental oddness
                                      'tag_artist'  The Sound Generation, John Brown University
                                     'tag_release'  365 Days project
                                       'tag_title'  Generation Theme/Treat for Trumpet
                                             'bpm'  124.6
                                    'search_title'  'for':5 'generation':1 'theme':2 'themetreat':4 'treat':3 'trumpet':6
                                   'search_artist'  'brown':6 'generation':3,4 'john':5 'sound':2 'the':1 'university':7
                                  'search_release'  '365':1 'days':2 'project':3
                                     'search_rest'  '1978':9 '342':2 'days':1 'electronic':10 'experimental':11 'generation':5 'oddness':12 'project':3 'sound':4 'theme':6 'treat':7 'trumpet':8
                                    'search_combo'  '1978':25 '342':18 '365':14C 'brown':12B 'days':15C,17 'electronic':26 'experimental':27 'for':5A 'generation':1A,9B,10B,21 'john':11B 'oddness':28 'project':16C,19 'sound':8B,20 'the':7B 'theme':2A,22 'themetreat':4A 'treat':3A,23 'trumpet':6A,24 'university':13B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571896.0853558  (2021-05-09 16:51:36)
                             'size'  3566259