======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  "Abe Elenkrig's Yidishe Orchestra"
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Yidelach Briderlach'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1913'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;prerock-band;mi-brass'
                                             'bpm'  '133.933'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'prerock-band', 'mi-brass']
'TDRC' (Recording time)                             '1913'
'TIT2' (Title/songname/content description)         'Yidelach Briderlach'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Abe Elenkrig's Yidishe Orchestra"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.478144'

========================== row from database ==========================
                                              'id'  1500951
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1913/Abe Elenkrig_s Yidishe Orchestra - Yidelach Briderlach 1913.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  loc-style-gypsy or balkan or klezmer;prerock-band;mi-brass
                                        'filesize'  3852082
                                           'mtime'  1620528106
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1913 Elenkrig_s 1913 loc style gypsy or balkan or klezmer;prerock band;mi brass
                                      'tag_artist'  Abe Elenkrig's Yidishe Orchestra
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Yidelach Briderlach
                                             'bpm'  133.933
                                    'search_title'  'briderlach':2 'yidelach':1
                                   'search_artist'  'abe':1 'elenkrig':2 'elenkrigs':4 'orchestra':6 's':3 'yidishe':5
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1913':6 'balkan':13 'band':18,20 'brass':22 'country':4 'elenkrig':7 'exotica':2 'gypsy':11 'jazz':1 'klezmer':14,16 'loc':9 'mi':19,21 'oldies':3 'or':12 'prerock':15,17 's':8 'style':10
                                    'search_combo'  '00oldiepop':18 '1913':19 'abe':3B 'album':10C 'balkan':26 'band':31,33 'brass':35 'briderlach':2A 'country':17 'elenkrig':4B,20 'elenkrigs':6B 'exotica':15 'gypsy':24 'jazz':14 'klezmer':27,29 'loc':22 'mi':32,34 'non':9C 'nonalbum':11C 'oldies':16 'or':25 'orchestra':8B 'prerock':28,30 's':5B,21 'style':23 'tracks':12C,13C 'yidelach':1A 'yidishe':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1913
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528106.2617712  (2021-05-09 04:41:46)
                             'size'  3852082