======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Cal Smith'
                                     'text_people'  'Bill Anderson'
                                         'release'  'Music for Maniacs'
                                           'title'  "The Lord Knows I'm Drinking"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['country', 'singer-songwriter', 'classic country', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '127.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '127.7'
'TCOM' (Composer)                                   'Bill Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         "The Lord Knows I'm Drinking"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cal Smith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Spectrum Music'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['country', 'singer-songwriter', 'classic country', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.12 dB'
'TXXX:replaygain_track_peak'                        '0.424846'

========================== row from database ==========================
                                              'id'  647969
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Cal Smith - the lord knows Im drinkin.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2777673
                                           'mtime'  1636916284
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs the lord knows Im drinkin electronic experimental oddness
                                      'tag_artist'  Cal Smith
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  The Lord Knows I'm Drinking
                                             'bpm'  127.7
                                    'search_title'  'drinking':7 'i':4 'im':6 'knows':3 'lord':2 'm':5 'the':1
                                   'search_artist'  'cal':1 'smith':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'drinkin':7 'electronic':8 'experimental':9 'im':6 'knows':5 'lord':4 'maniacs':2 'music':1 'oddness':10 'the':3
                                    'search_combo'  'cal':8B 'drinkin':19 'drinking':7A 'electronic':20 'experimental':21 'for':11C 'i':4A 'im':6A,18 'knows':3A,17 'lord':2A,16 'm':5A 'maniacs':12C,14 'music':10C,13 'oddness':22 'smith':9B 'the':1A,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'singer-songwriter', 'classic country', 'canadian']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916283.8460627  (2021-11-14 19:58:03)
                             'size'  2777673