======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '186'
                                          'artist'  'Anthony Kelly & David Stalling'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Somtimes You See A Tree'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'q-syn-2', "
 "'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-4', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'experimental', 'avant-garde', 'melancholic', 'testing 1-2-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '116.186'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '116.186'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Somtimes You See A Tree'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Anthony Kelly & David Stalling'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSOP' (Performer sort order)                       'Anthony Kelly & David Stalling'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronic', 'experimental', 'avant-garde', 'melancholic', 'testing 1-2-3']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.539757'

========================== row from database ==========================
                                              'id'  949007
                                            'path'  /data/Music/Bulk/sns/Anthony Kelly & David Stalling - Somtimes You See A Tree.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  186
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4469780
                                           'mtime'  1636917716
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Anthony Kelly & David Stalling
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Somtimes You See A Tree
                                             'bpm'  116.186
                                    'search_title'  'a':4 'see':3 'somtimes':1 'tree':5 'you':2
                                   'search_artist'  'anthony':1 'david':3 'kelly':2 'stalling':4
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'a':4A 'anthony':6B 'david':8B 'kelly':7B 'mor':19 'pl':14 'see':3A 'set':13,16,18 'shirley':10C 'shirleyspinoza':15,17 'sns':12 'somtimes':1A 'spinoza':11C 'stalling':9B 'tree':5A 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'experimental', 'avant-garde', 'melancholic', 'testing 1-2-3']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917715.9706774  (2021-11-14 20:21:55)
                             'size'  4469780