======================== unified (from filesystem) ========================
                                         'bitrate'  '162.168'
                                        'duration'  '225'
                                          'artist'  'TENNESSEE ERNIE FORD'
                                     'text_people'  ''
                                         'release'  '2Ufrom south sea island JIM'
                                           'title'  'JUST AS I AM'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'americana', '50s', 'oldies', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '139.466'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '2Ufrom south sea island JIM'
'TBPM' (BPM (beats per minute))                     '139.466'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'JUST AS I AM'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'TENNESSEE ERNIE FORD'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L3'
'TXXX:IsVBR'                                        '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'americana', '50s', 'oldies', 'classic country']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.74 dB'
'TXXX:replaygain_track_peak'                        '0.477639'

========================== row from database ==========================
                                              'id'  968263
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Tennessee Ernie Ford - JUST AS I AM 1948.wma.mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  225
                                           'genre'  loc-namerica-country
                                        'filesize'  4569508
                                           'mtime'  1621628283
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Tennessee Ernie Ford 1948.wma loc namerica country
                                      'tag_artist'  TENNESSEE ERNIE FORD
                                     'tag_release'  2Ufrom south sea island JIM
                                       'tag_title'  JUST AS I AM
                                             'bpm'  139.466
                                    'search_title'  'am':4 'as':2 'i':3 'just':1
                                   'search_artist'  'ernie':2 'ford':3 'tennessee':1
                                  'search_release'  '2ufrom':1 'island':4 'jim':5 'sea':3 'south':2
                                     'search_rest'  '1948':10 '1948wma':12 'country':4 'ernie':8 'exotica':2 'ford':9 'jazz':1 'loc':13 'music':6 'namerica':14 'old':5 'oldies':3 'tennessee':7 'wma':11
                                    'search_combo'  '1948':22 '1948wma':24 '2ufrom':8C 'am':4A 'as':2A 'country':16 'ernie':6B,20 'exotica':14 'ford':7B,21 'i':3A 'island':11C 'jazz':13 'jim':12C 'just':1A 'loc':25 'music':18 'namerica':26 'old':17 'oldies':15 'sea':10C 'south':9C 'tennessee':5B,19 'wma':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'americana', '50s', 'oldies', 'classic country']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628283.0315928  (2021-05-21 22:18:03)
                             'size'  4569508