======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '92'
                                          'artist'  'Youngblood Brass Band'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Tuba solo'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz hop', 'brass', 'jazz', 'hip hop', 'funk']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.685'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Tuba solo'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Youngblood Brass Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:OTHER'                                        'Y'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['jazz hop', 'brass', 'jazz', 'hip hop', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-4.71 dB'
'TXXX:replaygain_track_peak'                        '0.968478'
'TXXX:sortunder'                                    'y'

========================== row from database ==========================
                                              'id'  986773
                                            'path'  /data/Music/Bulk/sns/YoungbloodBrassBand_Tuba_solo_0004.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  92
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1484845
                                           'mtime'  1678985002
                                   'redo_metaread'  0
                                        'rest_str'   sns YoungbloodBrassBand_Tuba_solo_0004 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Youngblood Brass Band
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Tuba solo
                                             'bpm'  145.685
                                    'search_title'  'solo':2 'tuba':1
                                   'search_artist'  'band':3 'brass':2 'youngblood':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0004':5,18 'band':15 'brass':14 'mor':12 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1 'solo':4,17 'tuba':3,16 'youngblood':13 'youngbloodbrassband':2
                                    'search_combo'  '0004':12,25 'band':5B,22 'brass':4B,21 'mor':19 'pl':14 'set':13,16,18 'shirley':6C 'shirleyspinoza':15,17 'sns':8 'solo':2A,11,24 'spinoza':7C 'tuba':1A,10,23 'youngblood':3B,20 'youngbloodbrassband':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['jazz hop', 'brass', 'jazz', 'hip hop', 'funk']
                                        'tag_date'  
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1678985002.3391445  (2023-03-16 17:43:22)
                             'size'  1484845